gma config: Turn Alder Lake into its own generation

It's not physically compatible to Tiger Lake. Hence no binary has
to support both and we can compile them separately. Also, the new
generation actually starts with Alder Lake P, so we name it accor-
dingly.

Change-Id: I66f01609326204d9a93a2206c048bd59bfdbef6b
Signed-off-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: https://review.sourcearcade.org/c/libgfxinit/+/503
Reviewed-by: Thomas Heijligen <src@posteo.de>
Tested-by: Ada SPARK <gnatbot@sourcearcade.org>
diff --git a/configs/alderlake b/configs/alderlake
index bb7e3ca..498ad89 100644
--- a/configs/alderlake
+++ b/configs/alderlake
@@ -1,6 +1,6 @@
 CONFIG_GFX_GMA_DYN_CPU		= y
-CONFIG_GFX_GMA_GENERATION	= Tigerlake
+CONFIG_GFX_GMA_GENERATION	= AlderlakeP
 CONFIG_GFX_GMA_PCH		= Alder_Point
-CONFIG_GFX_GMA_PANEL_1_PORT	= eDP
+CONFIG_GFX_GMA_PANEL_1_PORT	= DP1
 CONFIG_GFX_GMA_ANALOG_I2C_PORT	= PCH_DAC # N/A
 CONFIG_GFX_GMA_DEFAULT_MMIO	= 16\#e000_0000\#