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/radio/wsjtx/super.patch

@@ -0,0 +1,12 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 84fa38a..87e31bb 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -24,7 +24,6 @@ source tarball." )
+ #
+ # Find_library (USB_LIBRARY NAMES libusb.a usb)
+ Find_program (PATCH_EXECUTABLE patch REQUIRED)
+-Find_package (Git REQUIRED)
+ 
+ #
+ # extra C flags to minimize hamlib excutable sizes