Update the icc_max for the GT-Sliced VR domain according to the
hardware design.
BUG=N/A
TEST=build
Change-Id: Ib9f7d77d144a282214e6bda8a4e836873c395487
Signed-off-by: Wim Vervoorn <wvervoorn@eltan.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/39804
Reviewed-by: Frans Hendriks <fhendriks@eltan.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>