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/misc/vp/default.nix

@@ -0,0 +1,27 @@
+{ lib, stdenv, fetchFromGitHub, autoreconfHook, SDL, SDL_image }:
+
+stdenv.mkDerivation rec {
+  pname = "vp";
+  version = "1.8";
+
+  src = fetchFromGitHub {
+    owner = "erikg";
+    repo = "vp";
+    rev = "v${version}";
+    sha256 = "08q6xrxsyj6vj0sz59nix9isqz84gw3x9hym63lz6v8fpacvykdq";
+  };
+
+  nativeBuildInputs = [ autoreconfHook ];
+
+  buildInputs = [ SDL SDL_image ];
+
+  NIX_CFLAGS_COMPILE="-I${SDL}/include/SDL -I${SDL_image}/include/SDL";
+
+  meta = with lib; {
+    homepage = "https://brlcad.org/~erik/";
+    description = "SDL based picture viewer/slideshow";
+    platforms = platforms.unix;
+    license  = licenses.gpl3;
+    maintainers = [ maintainers.vrthra ];
+  };
+}