3rdparty/libgfxinit: Update submodule pointer

Update libgfxinit:

o Add support for ULX (CPU Y series) variants
o Add support for Kaby/Coffee/Whiskey/Amber Lakes
o Publish Read_EDID() procedure
o Fix certain GMBUS error conditions
o Fix DP training when clock recovery needed voltage-swing increase
o Fix scaling on eDP for BDW+

Change-Id: Ib252303708d2bb0524ecc47f498df45902ba774f
Signed-off-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/31457
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Matt DeVillier <matt.devillier@gmail.com>

1 files changed, 0 insertions, 0 deletions

diff --git a/3rdparty/libgfxinit b/3rdparty/libgfxinit
-Subproject b3b9fa34bb99d33d0fc6a69c64966a71cebd5bd
+Subproject a815704c84b4823f5b723404a37efed9d6c85d6