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/os-specific/linux/alsa-project/alsa-plugins/default.nix

@@ -0,0 +1,27 @@
+{ stdenv, fetchurl, lib, pkg-config, alsa-lib, libogg, libpulseaudio ? null, libjack2 ? null }:
+
+stdenv.mkDerivation rec {
+  pname = "alsa-plugins";
+  version = "1.2.6";
+
+  src = fetchurl {
+    url = "mirror://alsa/plugins/${pname}-${version}.tar.bz2";
+    sha256 = "sha256-BogYpLVdjAKdqgABXYU9RRE/VrIkt8ZOHhF5iMglsqA=";
+  };
+
+  nativeBuildInputs = [ pkg-config ];
+
+  # ToDo: a52, etc.?
+  buildInputs =
+    [ alsa-lib libogg ]
+    ++ lib.optional (libpulseaudio != null) libpulseaudio
+    ++ lib.optional (libjack2 != null) libjack2;
+
+  meta = with lib; {
+    description = "Various plugins for ALSA";
+    homepage = "http://alsa-project.org/";
+    license = licenses.lgpl21;
+    maintainers = [ maintainers.marcweber ];
+    platforms = platforms.linux;
+  };
+}