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/video/kodi/addons/osmc-skin/default.nix

@@ -0,0 +1,21 @@
+{ lib, buildKodiAddon, fetchFromGitHub }:
+buildKodiAddon rec {
+  pname = "osmc-skin";
+  namespace = "skin.osmc";
+  version = "18.0.0";
+
+  src = fetchFromGitHub {
+    owner = "osmc";
+    repo = namespace;
+    rev = "40a6c318641e2cbeac58fb0e7dde9c2beac737a0";
+    sha256 = "1l7hyfj5zvjxjdm94y325bmy1naak455b9l8952sb0gllzrcwj6s";
+  };
+
+  meta = with lib; {
+    homepage = "https://github.com/osmc/skin.osmc";
+    description = "The default skin for OSMC";
+    platforms = platforms.all;
+    maintainers = with maintainers; [ ];
+    license = licenses.cc-by-nc-sa-30;
+  };
+}