Patch merged into coreboot/master: buildgcc: Search the cksum command without checking OS type

the following patch was just integrated into master:
commit 5cf758d45b70fde40df8d2bf4925eb344b7b9b0b
Author: zbao 
Date:   Tue Sep 1 22:28:57 2015 -0400

buildgcc: Search the cksum command without checking OS type

The checksum command might appear to be unpredictable only by
    checking the OS. Just list the candidates, sorted by possibility.

Change-Id: Ia3f4f5f0f98ff47d322a4f70689cca0bd4fa79fa
    Signed-off-by: Zheng Bao 
    Signed-off-by: Zheng Bao 
    Reviewed-on: https://review.coreboot.org/11483
    Tested-by: build bot (Jenkins)
    Reviewed-by: Martin Roth

See https://review.coreboot.org/11483 for details.

-gerrit