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/tools/X11/xprintidle/default.nix

@@ -0,0 +1,40 @@
+{ lib
+, stdenv
+, fetchFromGitHub
+, meson
+, ninja
+, pkg-config
+, xorg
+}:
+
+stdenv.mkDerivation rec {
+  pname = "xprintidle";
+  version = "0.2.4";
+
+  src = fetchFromGitHub {
+    owner = "g0hl1n";
+    repo = "xprintidle";
+    rev = version;
+    sha256 = "sha256-CgjHTvwQKR/TPQyEWKxN5j97Sh2iec0BQPhC96sfyoI=";
+  };
+
+  nativeBuildInputs = [
+    meson
+    ninja
+    pkg-config
+  ];
+
+  buildInputs = [
+    xorg.libXScrnSaver
+    xorg.libX11
+    xorg.libXext
+  ];
+
+  meta = with lib; {
+    homepage = "https://github.com/g0hl1n/xprintidle";
+    description = "A utility that queries the X server for the user's idle time and prints it to stdout";
+    license = licenses.gpl2Only;
+    maintainers = with maintainers; [ fgaz ];
+    platforms = platforms.linux;
+  };
+}