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/build-support/release/debian-build.nix

@@ -0,0 +1,96 @@
+# This function compiles a source tarball in a virtual machine image
+# that contains a Debian-like (i.e. dpkg-based) OS.
+
+{ name ? "debian-build"
+, diskImage
+, src, lib, stdenv, vmTools, checkinstall
+, fsTranslation ? false
+, # Features provided by this package.
+  debProvides ? []
+, # Features required by this package.
+  debRequires ? []
+, ... } @ args:
+
+vmTools.runInLinuxImage (stdenv.mkDerivation (
+
+  {
+    doCheck = true;
+
+    prefix = "/usr";
+
+    prePhases = "installExtraDebsPhase sysInfoPhase";
+  }
+
+  // removeAttrs args ["vmTools" "lib"] //
+
+  {
+    name = name + "-" + diskImage.name + (if src ? version then "-" + src.version else "");
+
+    # !!! cut&paste from rpm-build.nix
+    postHook = ''
+      . ${./functions.sh}
+      propagateImageName
+      src=$(findTarball $src)
+    '';
+
+    installExtraDebsPhase = ''
+      for i in $extraDebs; do
+        dpkg --install $(ls $i/debs/*.deb | sort | head -1)
+      done
+    '';
+
+    sysInfoPhase = ''
+      [ ! -f /etc/lsb-release ] || (source /etc/lsb-release; echo "OS release: $DISTRIB_DESCRIPTION")
+      echo "System/kernel: $(uname -a)"
+      if test -e /etc/debian_version; then echo "Debian release: $(cat /etc/debian_version)"; fi
+      header "installed Debian packages"
+      dpkg-query --list
+      stopNest
+    '';
+
+    installPhase = ''
+      eval "$preInstall"
+      export LOGNAME=root
+
+      # otherwise build hangs when it wants to display
+      # the log file
+      export PAGER=cat
+      ${checkinstall}/sbin/checkinstall --nodoc -y -D \
+        --fstrans=${if fsTranslation then "yes" else "no"} \
+        --requires="${lib.concatStringsSep "," debRequires}" \
+        --provides="${lib.concatStringsSep "," debProvides}" \
+        ${if (src ? version) then "--pkgversion=$(echo ${src.version} | tr _ -)"
+                             else "--pkgversion=0.0.0"} \
+        ''${debMaintainer:+--maintainer="'$debMaintainer'"} \
+        ''${debName:+--pkgname="'$debName'"} \
+        $checkInstallFlags \
+        -- \
+        $SHELL -c "''${installCommand:-make install}"
+
+      mkdir -p $out/debs
+      find . -name "*.deb" -exec cp {} $out/debs \;
+
+      [ "$(echo $out/debs/*.deb)" != "" ]
+
+      for i in $out/debs/*.deb; do
+        header "Generated DEB package: $i"
+        dpkg-deb --info "$i"
+        pkgName=$(dpkg-deb -W "$i" | awk '{print $1}')
+        echo "file deb $i" >> $out/nix-support/hydra-build-products
+        stopNest
+      done
+      dpkg -i $out/debs/*.deb
+
+      for i in $extraDebs; do
+        echo "file deb-extra $(ls $i/debs/*.deb | sort | head -1)" >> $out/nix-support/hydra-build-products
+      done
+
+      eval "$postInstall"
+    '';
+
+    meta = (if args ? meta then args.meta else {}) // {
+      description = "Deb package for ${diskImage.fullName}";
+    };
+  }
+
+))