Patch merged into coreboot/master: nb/i945/gma.c: Remove writes to FIFO Watermark registers

the following patch was just integrated into master:
commit d81078d944bd78b1dca559444d938f18d4004205
Author: Arthur Heymans 
Date:   Mon Feb 6 15:08:04 2017 +0100

nb/i945/gma.c: Remove writes to FIFO Watermark registers

Those are the result from tracing what linux or the option rom do
    but are not needed here.

TESTED on Thinkpad X60.

Change-Id: I4297a78c4ab6a19ef6161778c993fc3f3fb08c7e
    Signed-off-by: Arthur Heymans 
    Reviewed-on: https://review.coreboot.org/18294
    Tested-by: build bot (Jenkins)
    Reviewed-by: Paul Menzel 
    Reviewed-by: Nico Huber

See https://review.coreboot.org/18294 for details.

-gerrit