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/discover.nix

@@ -0,0 +1,64 @@
+{ mkDerivation
+, lib
+, extra-cmake-modules
+, gettext
+, kdoctools
+, python3
+, appstream-qt
+, discount
+, flatpak
+, fwupd
+, ostree
+, packagekit-qt
+, pcre
+, util-linux
+, qtbase
+, qtquickcontrols2
+, qtx11extras
+, karchive
+, kcmutils
+, kconfig
+, kcrash
+, kdbusaddons
+, kdeclarative
+, kidletime
+, kio
+, kirigami2
+, kitemmodels
+, knewstuff
+, kwindowsystem
+, kxmlgui
+, plasma-framework
+}:
+
+mkDerivation {
+  pname = "discover";
+  nativeBuildInputs = [ extra-cmake-modules gettext kdoctools python3 ];
+  buildInputs = [
+    # discount is needed for libmarkdown
+    appstream-qt
+    discount
+    flatpak
+    fwupd
+    ostree
+    packagekit-qt
+    pcre
+    util-linux
+    qtquickcontrols2
+    qtx11extras
+    karchive
+    kcmutils
+    kconfig
+    kcrash
+    kdbusaddons
+    kdeclarative
+    kidletime
+    kio
+    kirigami2
+    kitemmodels
+    knewstuff
+    kwindowsystem
+    kxmlgui
+    plasma-framework
+  ];
+}