util/crossgcc: update to gcc 8.1.0 and binutils 2.30

Also update patches as necessary.

Change-Id: I1e8074954d5d7a4eff590abb7439e9be7d3762aa
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Reviewed-on: https://review.coreboot.org/25997
Reviewed-by: Nico Huber <nico.h@gmx.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
20 files changed