Patch merged into coreboot/master: 8135dba crossgcc: jump to crossgcc path before building the toolchain

the following patch was just integrated into master:
commit 8135dba368333e9112c9610f75427df23bbea8a4
Author: Patrick Georgi 
Date:   Tue Mar 17 21:05:20 2015 +0100

crossgcc: jump to crossgcc path before building the toolchain

We use paths relative to that in the buildgcc script.

Change-Id: I2b79c3d2c75088af7e8e362d18a38274352eb965
    Signed-off-by: Patrick Georgi 
    Reviewed-on: http://review.coreboot.org/8713
    Reviewed-by: Aaron Durbin 
    Tested-by: build bot (Jenkins)
    Reviewed-by: Stefan Reinauer

See http://review.coreboot.org/8713 for details.

-gerrit