Use [u]int32_t instead of __[u]int32_t in sys/types.h

Avoid this error in -ffreestanding mode:
sys/types.h:45:1: error: unknown type name '__uint32_t'

Change-Id: I826b36873862d1d70b47401f31f4369a77666b8e
Signed-off-by: Pavel Chupin <pavel.v.chupin@intel.com>
1 file changed