[coreboot-gerrit] Patch merged into coreboot/master: buildgcc: Indicate CXXFLAGS for binutils

the following patch was just integrated into master:
commit 010ecf800956f389bc34e09b968fe8934d4aa2ae
Author: Nico Huber 
Date:   Thu Dec 22 16:19:37 2016 +0100

buildgcc: Indicate CXXFLAGS for binutils

CXXFLAGS seems to be used a lot and have to be specified independently
    from CFLAGS.

Change-Id: Iff4c76e54a46e908299b532fd848165a3dc04d43
    Signed-off-by: Nico Huber 
    Reviewed-on: https://review.coreboot.org/17937
    Tested-by: build bot (Jenkins)
    Reviewed-by: Paul Menzel 
    Reviewed-by: Martin Roth

See https://review.coreboot.org/17937 for details.

-gerrit