x86, mkpiggy: Don't open code put_unaligned_le32()

Use the new headers in tools/include instead of rolling our own
put_unaligned_le32() implementation.

Cc: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
Link: http://lkml.kernel.org/r/1330436245-24875-4-git-send-email-matt@console-pimps.org


Signed-off-by: H. Peter Anvin <hpa@zytor.com>