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/skanpage.nix

@@ -0,0 +1,32 @@
+{ lib
+, mkDerivation
+, fetchurl
+, extra-cmake-modules
+, kirigami2
+, ktextwidgets
+, libksane
+, qtquickcontrols2
+, kpurpose
+}:
+
+mkDerivation rec {
+  pname = "skanpage";
+
+  nativeBuildInputs = [ extra-cmake-modules ];
+
+  buildInputs = [
+    kirigami2
+    ktextwidgets
+    libksane
+    qtquickcontrols2
+    kpurpose
+  ];
+
+  meta = with lib; {
+    description = "KDE utility to scan images and multi-page documents";
+    homepage = "https://apps.kde.org/skanpage";
+    license = licenses.gpl2Plus;
+    maintainers = with maintainers; [ ];
+    platforms = platforms.linux;
+  };
+}