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/applications/kde/kmix.nix

@@ -0,0 +1,22 @@
+{
+  mkDerivation, lib,
+  extra-cmake-modules, kdoctools,
+  kglobalaccel, kxmlgui, kcoreaddons,
+  plasma-framework, libpulseaudio, alsa-lib, libcanberra_kde
+}:
+
+mkDerivation {
+  pname = "kmix";
+  meta = {
+    homepage = "https://apps.kde.org/kmix/";
+    description = "Sound mixer";
+    license = with lib.licenses; [ gpl2 lgpl21 fdl12 ];
+    maintainers = [ lib.maintainers.rongcuid ];
+  };
+  nativeBuildInputs = [ extra-cmake-modules kdoctools ];
+  buildInputs = [
+    alsa-lib kglobalaccel kxmlgui kcoreaddons
+    libcanberra_kde libpulseaudio plasma-framework
+  ];
+  cmakeFlags = [ "-DKMIX_KF5_BUILD=1" ];
+}