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/libraries/faac/default.nix

@@ -0,0 +1,37 @@
+{ lib, stdenv, fetchurl, autoreconfHook
+, mp4v2Support ? true, mp4v2 ? null
+, drmSupport ? false # Digital Radio Mondiale
+}:
+
+assert mp4v2Support -> (mp4v2 != null);
+
+with lib;
+stdenv.mkDerivation rec {
+  pname = "faac";
+  version = "1.30";
+
+  src = fetchurl {
+    url = "mirror://sourceforge/faac/${pname}-${builtins.replaceStrings ["."] ["_"] version}.tar.gz";
+    sha256 = "1lmj0dib3mjp84jhxc5ddvydkzzhb0gfrdh3ikcidjlcb378ghxd";
+  };
+
+  configureFlags = [ ]
+    ++ optional mp4v2Support "--with-external-mp4v2"
+    ++ optional drmSupport "--enable-drm";
+
+  hardeningDisable = [ "format" ];
+
+  nativeBuildInputs = [ autoreconfHook ];
+
+  buildInputs = [ ]
+    ++ optional mp4v2Support mp4v2;
+
+  enableParallelBuilding = true;
+
+  meta = {
+    description = "Open source MPEG-4 and MPEG-2 AAC encoder";
+    license     = licenses.unfreeRedistributable;
+    maintainers = with maintainers; [ codyopel ];
+    platforms   = platforms.all;
+  };
+}