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/tools/misc/cproto/cproto.patch

@@ -0,0 +1,11 @@
+diff -Naur cproto-4.6-old/cproto.h cproto-4.6/cproto.h
+--- cproto-4.6-old/cproto.h	1998-01-18 19:49:16.000000000 -0500
++++ cproto-4.6/cproto.h	2004-03-14 00:02:32.148070032 -0500
+@@ -117,6 +117,7 @@
+     Declarator *declarator;
+     DeclaratorList decl_list;
+ } YYSTYPE;
++#define YYSTYPE_IS_DECLARED 1
+ 
+ /* Prototype styles */
+ #if OPT_LINTLIBRARY