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/xcb-imdkit/default.nix

@@ -0,0 +1,41 @@
+{ lib, stdenv
+, fetchFromGitHub
+, cmake
+, extra-cmake-modules
+, uthash
+, xcbutil
+, xcbutilkeysyms
+, xorgproto
+}:
+
+stdenv.mkDerivation rec {
+  pname = "xcb-imdkit";
+  version = "1.0.3";
+
+  src = fetchFromGitHub {
+    owner = "fcitx";
+    repo = "xcb-imdkit";
+    rev = version;
+    sha256 = "sha256-IPuTRSgmrnCJRgGWcE4JRaxd0sGCcHrKRnn2B1OdDMU=";
+  };
+
+  nativeBuildInputs = [
+    cmake
+    extra-cmake-modules
+    xorgproto
+    uthash
+  ];
+
+  buildInputs = [
+    xcbutil
+    xcbutilkeysyms
+  ];
+
+  meta = with lib; {
+    description = "input method development support for xcb";
+    homepage = "https://github.com/fcitx/xcb-imdkit";
+    license = licenses.lgpl21Plus;
+    maintainers = with maintainers; [ poscat ];
+    platforms = platforms.linux;
+  };
+}