Patch merged into coreboot/master: ab639bf libpayload: don't test for unsigned >= 0

the following patch was just integrated into master:
commit ab639bffc7e973245e5f33397138ca8063c4123c
Author: Patrick Georgi 
Date:   Mon Dec 29 20:41:37 2014 +0100

libpayload: don't test for unsigned >= 0

Change-Id: Ibeaf6de9505bc6f1e7358a4cfc80228dff7ddb69
    Signed-off-by: Patrick Georgi 
    Found-by: Coverity Scan
    Reviewed-on: http://review.coreboot.org/7978
    Tested-by: build bot (Jenkins)
    Reviewed-by: Paul Menzel 
    Reviewed-by: Edward O'Callaghan

See http://review.coreboot.org/7978 for details.

-gerrit