dp aux: Add support for TGL

Just new registers for new ports.

Change-Id: I32ea8d31d70574dbe6bb835eb755087a2cae0b1b
Signed-off-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Signed-off-by: Jeremy Compostella <jeremy.compostella@intel.com>
Reviewed-on: https://review.coreboot.org/c/libgfxinit/+/70891
Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Sean Rhodes <sean@starlabs.systems>
Tested-by: Nico Huber <nico.h@gmx.de>
diff --git a/common/hw-gfx-gma.ads b/common/hw-gfx-gma.ads
index 0454c0a..43e88e1 100644
--- a/common/hw-gfx-gma.ads
+++ b/common/hw-gfx-gma.ads
@@ -329,7 +329,7 @@
 
    ----------------------------------------------------------------------------
 
-   type DP_Port is (DP_A, DP_B, DP_C, DP_D);
+   type DP_Port is (DP_A, DP_B, DP_C, DP_D, DP_E, DP_F, DP_G, DP_H, DP_I);
 
    ----------------------------------------------------------------------------