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/servers/samba/4.x-no-persistent-install-dynconfig.patch

@@ -0,0 +1,18 @@
+--- a/dynconfig/wscript	2018-12-23 20:28:42.908832206 -0800
++++ b/dynconfig/wscript	2018-12-23 20:31:55.568835627 -0800
+@@ -419,15 +419,3 @@
+                         public_headers=os_path_relpath(os.path.join(Options.launch_dir, version_header), bld.curdir),
+                         header_path='samba',
+                         cflags=cflags)
+-
+-    # install some extra empty directories
+-    bld.INSTALL_DIR("${CONFIGDIR}")
+-    bld.INSTALL_DIR("${LOGFILEBASE}")
+-    bld.INSTALL_DIR("${PRIVILEGED_SOCKET_DIR}")
+-    bld.INSTALL_DIR("${PRIVATE_DIR}", 0o700)
+-    bld.INSTALL_DIR("${BINDDNS_DIR}", 0o770)
+-    bld.INSTALL_DIR("${STATEDIR}")
+-    bld.INSTALL_DIR("${CACHEDIR}")
+-
+-    # these might be on non persistent storage
+-    bld.INSTALL_DIRS("", "${LOCKDIR} ${PIDDIR} ${SOCKET_DIR}")