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/development/libraries/cdk/parallel.patch

@@ -0,0 +1,13 @@
+--- a/Makefile.in
++++ b/Makefile.in
+@@ -296,7 +296,9 @@ LIB_OBJECT	= @LIB_OBJECT@
+ 
+ all sources :: $(AUTO_SRC)
+ 
+-$(OBJECTS) :	include/cdk_config.h
++# make sure we generate all headers before trying
++# to build first source file.
++$(OBJECTS) :	$(MY_HDR)
+ 
+ #
+ # Standard library directive.