Patch merged into coreboot/master: toolchain.inc: Don't overwrite architecture specific CFLAGS

the following patch was just integrated into master:
commit 2941b28080fff82503484a99c3fa740a01bb30cc
Author: Stefan Reinauer 
Date:   Tue Jul 7 23:37:11 2015 +0200

toolchain.inc: Don't overwrite architecture specific CFLAGS

For almost all platforms the CFLAGS_<arch> specified in .xcompile
    were overwritten by toolchain.inc, effectively breaking the build
    in different places and in subtle ways.

Change-Id: I8e1db0eee7ca417ec56ed2156ae1b0b318e57e81
    Signed-off-by: Stefan Reinauer 
    Reviewed-on: http://review.coreboot.org/10831
    Tested-by: build bot (Jenkins)
    Reviewed-by: Patrick Georgi

See http://review.coreboot.org/10831 for details.

-gerrit