Patch merged into coreboot/master: buildgcc: Move a bunch of code into a function

the following patch was just integrated into master:
commit 06e85acb4047142cd00442ce8251d30f3754bef1
Author: zbao 
Date:   Mon Aug 24 22:08:36 2015 -0400

buildgcc: Move a bunch of code into a function

Refactor the code to be better understandable.

Change-Id: Ia815a27f7cc83c226a32e87485d712a5fbf4168e
    Signed-off-by: Zheng Bao 
    Signed-off-by: Zheng Bao 
    Reviewed-on: http://review.coreboot.org/11318
    Tested-by: build bot (Jenkins)
    Reviewed-by: Paul Menzel 
    Reviewed-by: Patrick Georgi

See http://review.coreboot.org/11318 for details.

-gerrit