[coreboot] Patch merged into coreboot/master: 47e1964 crossgcc: update to GDB 7.5

the following patch was just integrated into master:
commit 47e1964e5d7a5bcd68761a5b397b852fe88c6745
Author: Idwer Vollering 
Date:   Thu Oct 25 02:06:57 2012 +0200

crossgcc: update to GDB 7.5

This patch updates crossgcc to download and build GDB 7.5

Change-Id: I38fc3591396f072ead399b22f516ec765480ea40
    Signed-off-by: Idwer Vollering

Build-Tested: build bot (Jenkins) at Thu Oct 25 07:58:32 2012, giving +1
Reviewed-By: Peter Stuge  at Thu Oct 25 09:20:04 2012, giving +2
See http://review.coreboot.org/1612 for details.

-gerrit