uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

pkgs/tools/system/auto-cpufreq/prevent-install-and-copy.patch

@@ -0,0 +1,168 @@
+diff --git a/auto_cpufreq/core.py b/auto_cpufreq/core.py
+index 83d0d64..04b5035 100644
+--- a/auto_cpufreq/core.py
++++ b/auto_cpufreq/core.py
+@@ -204,35 +204,13 @@ def get_current_gov():
+ 
+ 
+ def cpufreqctl():
+-    """
+-    deploy cpufreqctl script
+-    """
+-
+-    # detect if running on a SNAP
+-    if os.getenv("PKG_MARKER") == "SNAP":
+-        pass
+-    else:
+-        # deploy cpufreqctl.auto-cpufreq script
+-        if os.path.isfile("/usr/bin/cpufreqctl"):
+-            shutil.copy(
+-                SCRIPTS_DIR / "cpufreqctl.sh", "/usr/bin/cpufreqctl.auto-cpufreq"
+-            )
+-        else:
+-            shutil.copy(
+-                SCRIPTS_DIR / "cpufreqctl.sh", "/usr/bin/cpufreqctl.auto-cpufreq"
+-            )
++    # scripts are already in the correct place
++    pass
+ 
+ 
+ def cpufreqctl_restore():
+-    """
+-    remove cpufreqctl.auto-cpufreq script
+-    """
+-    # detect if running on a SNAP
+-    if os.getenv("PKG_MARKER") == "SNAP":
+-        pass
+-    else:
+-        if os.path.isfile("/usr/bin/cpufreqctl.auto-cpufreq"):
+-            os.remove("/usr/bin/cpufreqctl.auto-cpufreq")
++    # no need to restore
++    pass
+ 
+ 
+ def footer(l=79):
+@@ -276,76 +254,13 @@ def remove_complete_msg():
+ 
+ 
+ def deploy_daemon():
+-    print("\n" + "-" * 21 + " Deploying auto-cpufreq as a daemon " + "-" * 22 + "\n")
+-
+-    # deploy cpufreqctl script func call
+-    cpufreqctl()
+-
+-    print("* Turn off bluetooth on boot")
+-    btconf = Path("/etc/bluetooth/main.conf")
+-    try:
+-        orig_set = "AutoEnable=true"
+-        change_set = "AutoEnable=false"
+-        with btconf.open(mode="r+") as f:
+-            content = f.read()
+-            f.seek(0)
+-            f.truncate()
+-            f.write(content.replace(orig_set, change_set))
+-    except Exception as e:
+-        print(f"\nERROR:\nWas unable to turn off bluetooth on boot\n{repr(e)}")
+-
+-    auto_cpufreq_stats_path.touch(exist_ok=True)
+-
+-    print("\n* Deploy auto-cpufreq install script")
+-    shutil.copy(
+-        SCRIPTS_DIR / "auto-cpufreq-install.sh", "/usr/bin/auto-cpufreq-install"
+-    )
+-
+-    print("\n* Deploy auto-cpufreq remove script")
+-    shutil.copy(SCRIPTS_DIR / "auto-cpufreq-remove.sh", "/usr/bin/auto-cpufreq-remove")
+-
+-    call("/usr/bin/auto-cpufreq-install", shell=True)
++    # prevent needless copying and system changes
++    pass
+ 
+ 
+ # remove auto-cpufreq daemon
+ def remove():
+-
+-    # check if auto-cpufreq is installed
+-    if not os.path.exists("/usr/bin/auto-cpufreq-remove"):
+-        print("\nauto-cpufreq daemon is not installed.\n")
+-        sys.exit(1)
+-
+-    print("\n" + "-" * 21 + " Removing auto-cpufreq daemon " + "-" * 22 + "\n")
+-
+-    print("* Turn on bluetooth on boot")
+-    btconf = "/etc/bluetooth/main.conf"
+-    try:
+-        orig_set = "AutoEnable=true"
+-        change_set = "AutoEnable=false"
+-        with open(btconf, "r+") as f:
+-            content = f.read()
+-            f.seek(0)
+-            f.truncate()
+-            f.write(content.replace(change_set, orig_set))
+-    except Exception as e:
+-        print(f"\nERROR:\nWas unable to turn on bluetooth on boot\n{repr(e)}")
+-
+-    # run auto-cpufreq daemon install script
+-    call("/usr/bin/auto-cpufreq-remove", shell=True)
+-
+-    # remove auto-cpufreq-remove
+-    os.remove("/usr/bin/auto-cpufreq-remove")
+-
+-    # delete stats file
+-    if auto_cpufreq_stats_path.exists():
+-        if auto_cpufreq_stats_file is not None:
+-            auto_cpufreq_stats_file.close()
+-
+-        auto_cpufreq_stats_path.unlink()
+-
+-    # restore original cpufrectl script
+-    cpufreqctl_restore()
+-
++    pass
+ 
+ def gov_check():
+     for gov in get_avail_gov():
+diff --git a/scripts/cpufreqctl.sh b/scripts/cpufreqctl.sh
+index 63a2b5b..e157efe 100755
+--- a/scripts/cpufreqctl.sh
++++ b/scripts/cpufreqctl.sh
+@@ -467,35 +467,21 @@ fi
+ 
+ if [ $OPTION = "--install" ]
+ then
+-  echo 'installing helpers...'
+-  cp $0 /usr/bin/
+-  echo 'installing policy...'
+-  cp $(dirname "$(readlink -f "$0")")/konkor.cpufreq.policy /usr/share/polkit-1/actions/
+-  echo 'installing fonts...'
+-  mkdir -p /usr/share/fonts/truetype/cpufreq
+-  cp $(dirname "$(readlink -f "$0")")/fonts/cpufreq.ttf /usr/share/fonts/truetype/cpufreq/
+-  echo "done"
++  echo "install is disabled in the nix package"
+   exit
+ fi
+ if [ $OPTION = "--update-fonts" ]
+ then
+-  fc-cache -f
++  echo "update-fonts is disabled in the nix package"
+   exit
+ fi
+ if [ $OPTION = "--uninstall" ]
+ then
+-  echo 'uninstalling cpufreqctl helper...'
+-  rm /usr/bin/cpufreqctl
+-  echo 'uninstalling policy...'
+-  rm /usr/share/polkit-1/actions/konkor.cpufreq.policy
+-  echo 'uninstalling fonts...'
+-  rm -rf /usr/share/fonts/truetype/cpufreq
+-  echo "done"
++  echo "uninstall is disabled in the nix package"
+   exit
+ fi
+ if [ $OPTION = "--reset" ]
+ then
+-  echo 'reset to default values...'
+-  dconf reset -f "/org/gnome/shell/extensions/cpufreq/"
++  echo "reset is disabled in the nix package"
+   exit
+ fi