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/tools/security/dieharder/stdint.patch

@@ -0,0 +1,10 @@
+--- a/include/dieharder/libdieharder.h	2011-10-14 15:41:37.000000000 +0200
++++ b/include/dieharder/libdieharder.h	2015-03-27 16:34:40.978860858 +0100
+@@ -13,6 +13,7 @@
+ #include <stdlib.h>
+ #include <stdarg.h>
+ #include <string.h>
++#include <stdint.h>
+ #include <sys/time.h>
+ 
+ /* This turns on uint macro in c99 */