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/development/libraries/libwacom/default.nix

@@ -0,0 +1,50 @@
+{ stdenv
+, lib
+, fetchFromGitHub
+, meson
+, ninja
+, glib
+, pkg-config
+, udev
+, libgudev
+, python3
+}:
+
+stdenv.mkDerivation rec {
+  pname = "libwacom";
+  version = "2.2.0";
+
+  outputs = [ "out" "dev" ];
+
+  src = fetchFromGitHub {
+    owner = "linuxwacom";
+    repo = "libwacom";
+    rev = "libwacom-${version}";
+    sha256 = "sha256-SqKXxmyP31kb6ikMQRqPaKNIpeLcMLLEGInCGIx5jWM=";
+  };
+
+  nativeBuildInputs = [
+    pkg-config
+    meson
+    ninja
+    python3
+  ];
+
+  buildInputs = [
+    glib
+    udev
+    libgudev
+  ];
+
+  mesonFlags = [
+    "-Dtests=disabled"
+  ];
+
+  meta = with lib; {
+    platforms = platforms.linux;
+    homepage = "https://linuxwacom.github.io/";
+    description = "Libraries, configuration, and diagnostic tools for Wacom tablets running under Linux";
+    maintainers = teams.freedesktop.members;
+    license = licenses.mit;
+  };
+}