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/data/misc/freepats/default.nix

@@ -0,0 +1,25 @@
+{ lib, stdenv, fetchurl }:
+
+stdenv.mkDerivation rec {
+  pname = "freepats";
+  version = "20060219";
+
+  src = fetchurl {
+    url = "https://freepats.zenvoid.org/freepats-${version}.tar.bz2";
+    sha256 = "12iw36rd94zirll96cd5k0va7p5hxmf2shvjlhzihcmjaw8flq82";
+  };
+
+  installPhase = ''mkdir "$out"; cp -r . "$out"'';
+
+  meta = with lib; {
+    description = "Instrument patches, for MIDI synthesizers";
+    longDescription = ''
+      Freepats is a project to create a free and open set of instrument
+      patches, in any format, that can be used with softsynths.
+    '';
+    homepage = "https://freepats.zenvoid.org/";
+    license = licenses.gpl2;
+    platforms = platforms.all;
+    maintainers = [ maintainers.bjornfor ];
+  };
+}