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/audio/pd-plugins/gem/default.nix

@@ -0,0 +1,50 @@
+{ lib, stdenv
+, fetchFromGitHub
+, fetchpatch
+, autoreconfHook
+, pkg-config
+, puredata
+, libGL
+, libGLU
+, glew
+, freeglut
+, libv4l
+, libX11
+, file
+ }:
+
+stdenv.mkDerivation rec {
+  pname = "gem-unstable";
+  version = "2020-09-22";
+
+  src = fetchFromGitHub {
+    owner = "umlaeute";
+    repo = "Gem";
+    rev = "2edfde4f0587e72ef325e7f53681936dcc19655b";
+    sha256 = "0k5sq128wxi2qhaidspkw310pdgysxs47agv09pkjgvch2n4d5dq";
+  };
+
+  nativeBuildInputs = [
+    autoreconfHook
+    file
+    pkg-config
+  ];
+
+  buildInputs = [
+    puredata
+    libGL
+    libGLU
+    glew
+    freeglut
+    libv4l
+    libX11
+  ];
+
+  meta = {
+    description = "Graphics Environment for Multimedia";
+    homepage = "http://puredata.info/downloads/gem";
+    license = lib.licenses.gpl2Plus;
+    maintainers = [ lib.maintainers.raboof ];
+    platforms = lib.platforms.linux;
+  };
+}