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/desktops/plasma-5/libkscreen/default.nix

@@ -0,0 +1,22 @@
+{
+  mkDerivation, lib, propagate,
+  extra-cmake-modules,
+  qtbase,
+  wayland-scanner, kwayland,
+  plasma-wayland-protocols, wayland,
+  libXrandr, qtx11extras
+}:
+
+mkDerivation {
+  pname = "libkscreen";
+  nativeBuildInputs = [ extra-cmake-modules wayland-scanner ];
+  buildInputs = [ kwayland plasma-wayland-protocols wayland libXrandr qtx11extras ];
+  outputs = [ "out" "dev" ];
+  patches = [
+    ./libkscreen-backends-path.patch
+  ];
+  preConfigure = ''
+    NIX_CFLAGS_COMPILE+=" -DNIXPKGS_LIBKSCREEN_BACKENDS=\"''${!outputBin}/$qtPluginPrefix/kf5/kscreen\""
+  '';
+  setupHook = propagate "out";
+}