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/development/tools/parsing/jikespg/default.nix

@@ -0,0 +1,29 @@
+{lib, stdenv, fetchurl}:
+
+stdenv.mkDerivation rec {
+  pname = "jikespg";
+  version = "1.3";
+
+  src = fetchurl {
+    url = "mirror://sourceforge/jikes/${pname}-${version}.tar.gz";
+    sha256 = "083ibfxaiw1abxmv1crccx1g6sixkbyhxn2hsrlf6fwii08s6rgw";
+  };
+
+  postPatch = ''
+    substituteInPlace Makefile --replace "gcc" "${stdenv.cc.targetPrefix}cc"
+  '';
+
+  sourceRoot = "jikespg/src";
+
+  installPhase = ''
+    install -Dm755 -t $out/bin jikespg
+  '';
+
+  meta = with lib; {
+    homepage = "http://jikes.sourceforge.net/";
+    description = "The Jikes Parser Generator";
+    platforms = platforms.all;
+    license = licenses.ipl10;
+    maintainers = with maintainers; [ pSub ];
+  };
+}