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/applications/misc/rofi-menugen/default.nix

@@ -0,0 +1,32 @@
+{ lib, stdenv, fetchFromGitHub, rofi, gnused }:
+
+stdenv.mkDerivation rec {
+  pname = "rofi-menugen";
+  version = "unstable-2015-12-28";
+
+  src = fetchFromGitHub {
+    owner = "octotep";
+    repo = "menugen";
+    rev = "168efd2608fdb88b1aff3e0244bda8402169f207";
+    sha256 = "09fk9i6crw772qlc5zld35pcff1jq4jcag0syial2q000fbpjx5m";
+  };
+
+  postPatch = ''
+    sed -i -e "s|menugenbase|$out/bin/rofi-menugenbase|" menugen
+    sed -i -e "s|rofi |${rofi}/bin/rofi |" menugen
+    sed -i -e "s|sed |${gnused}/bin/sed |" menugenbase
+  '';
+
+  installPhase = ''
+    mkdir -p $out/bin
+    cp menugen $out/bin/rofi-menugen
+    cp menugenbase $out/bin/rofi-menugenbase
+  '';
+
+  meta = with lib; {
+    description = "Generates menu based applications using rofi";
+    homepage = "https://github.com/octotep/menugen";
+    maintainers = with maintainers; [ ];
+    platforms = platforms.all;
+  };
+}