3rdparty/libgfxinit: Update submodule pointer

Changes allow to use the integrated panel logic (power sequen-
cing and backlight control) for more connectors. The Kconfigs
GFX_GMA_PANEL_1_PORT and GFX_GMA_PANEL_2_PORT can now be set
to any port, e.g.

  config GFX_GMA_PANEL_1_PORT
          default "DP3"

Now that the panel logic is not tied to the `Internal` port
choice anymore, we can properly split it into `LVDS` and `eDP`.

This also adds Comet Lake PCI IDs which should still work the
same as Kaby and Coffee Lake.

Change-Id: I78b1b458ca00714dcbe7753a7beb4fb05d69986b
Signed-off-by: Nico Huber <nico.huber@secunet.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/38921
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

util/autoport/main.go

@@ -931,7 +931,8 @@ private package GMA.Mainboard is
       HDMI2,
       HDMI3,
       Analog,
-      Internal);
+      LVDS,
+      eDP);
 
 end GMA.Mainboard;
 `)