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/os-specific/linux/libratbag/default.nix

@@ -0,0 +1,36 @@
+{ lib, stdenv, fetchFromGitHub, meson, ninja, pkg-config
+, glib, systemd, udev, libevdev, gitMinimal, check, valgrind, swig, python3
+, json-glib, libunistring }:
+
+stdenv.mkDerivation rec {
+  pname = "libratbag";
+  version = "0.16";
+
+  src = fetchFromGitHub {
+    owner  = "libratbag";
+    repo   = "libratbag";
+    rev    = "v${version}";
+    sha256 = "sha256-wJLG0Gxm1RWwW5SCGoa2QscU1VC0r93KZfEMNVg3Tko=";
+  };
+
+  nativeBuildInputs = [
+    meson ninja pkg-config gitMinimal swig check valgrind
+  ];
+
+  buildInputs = [
+    glib systemd udev libevdev json-glib libunistring
+    (python3.withPackages (ps: with ps; [ evdev pygobject3 ]))
+  ];
+
+  mesonFlags = [
+    "-Dsystemd-unit-dir=./lib/systemd/system/"
+  ];
+
+  meta = with lib; {
+    description = "Configuration library for gaming mice";
+    homepage    = "https://github.com/libratbag/libratbag";
+    license     = licenses.mit;
+    maintainers = with maintainers; [ mvnetbiz ];
+    platforms   = platforms.linux;
+  };
+}