gma bxt panel: Allow to use secondary panel control logic

Broxton has control logic for two panels. Reflect that.

Flow analysis fails if we initialize globals in Setup_PP_Sequencer.
Hence, move the call to Static_Init out.

Change-Id: Ie84d21a07a0f064f993a54b277e051b8d1ca541c
Signed-off-by: Nico Huber <nico.huber@secunet.com>
Reviewed-on: https://review.coreboot.org/c/libgfxinit/+/38276
Tested-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
diff --git a/configs/broxton b/configs/broxton
index 35a6f6c..5d3b859 100644
--- a/configs/broxton
+++ b/configs/broxton
@@ -2,6 +2,7 @@
 CONFIG_GFX_GMA_GENERATION	= Broxton
 CONFIG_GFX_GMA_CPU		= Broxton
 CONFIG_GFX_GMA_CPU_VARIANT	= Normal	# N/A
-CONFIG_GFX_GMA_PANEL_1_PORT	= eDP
+CONFIG_GFX_GMA_PANEL_1_PORT	= Disabled
+CONFIG_GFX_GMA_PANEL_2_PORT	= eDP
 CONFIG_GFX_GMA_ANALOG_I2C_PORT	= PCH_DAC	# N/A
 CONFIG_GFX_GMA_DEFAULT_MMIO	= 16\#e000_0000\#