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/misc/cbatticon/default.nix

@@ -0,0 +1,31 @@
+{ lib, stdenv, fetchFromGitHub, pkg-config, gettext, glib, gtk3, libnotify, wrapGAppsHook }:
+
+stdenv.mkDerivation rec {
+  pname = "cbatticon";
+  version = "1.6.13";
+
+  src = fetchFromGitHub {
+    owner = "valr";
+    repo = pname;
+    rev = version;
+    sha256 = "sha256-VQjJujF9lnVvQxV+0YqodLgnI9F90JKDAGBu5nM/Q/c=";
+  };
+
+  nativeBuildInputs = [ pkg-config gettext wrapGAppsHook ];
+
+  buildInputs =  [ glib gtk3 libnotify ];
+
+  patchPhase = ''
+    sed -i -e 's/ -Wno-format//g' Makefile
+  '';
+
+  makeFlags = [ "PREFIX=${placeholder "out"}" ];
+
+  meta = with lib; {
+    description = "Lightweight and fast battery icon that sits in the system tray";
+    homepage = "https://github.com/valr/cbatticon";
+    license = licenses.gpl2;
+    platforms = platforms.linux;
+    maintainers = [ maintainers.domenkozar ];
+  };
+}