braswell: remove unneeded gfx init from romstage given fsp usage

BRANCH=none
BUG=none
TEST=Build and boot on Cyan
Signed-off-by: robbie zhang <robbie.zhang@intel.com>

Change-Id: I8ea5676ab27370c23e8445c9c56381299158a2b6
Reviewed-on: https://chromium-review.googlesource.com/267475
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Commit-Queue: Robbie Zhang <robbie.zhang@intel.com>
Tested-by: Robbie Zhang <robbie.zhang@intel.com>
3 files changed