mb/google/brya/var/kinox: Modify ddi_ports_config

Modify ddi_ports_config based on schematic Kinox_SCH_20220602.pdf.

DDI_PORT_A = DP
DDI_PORT_B = HDMI
DDI_PORT_1 = Type-C DP
DDI_PORT_2 = DP or HDMI

BUG=b:233338341
TEST=Boot to Chrome OS and check all display port working

Signed-off-by: Dtrain Hsu <dtrain_hsu@compal.corp-partner.google.com>
Change-Id: Ib2dbb34af1f85585b77638710d3799520c3f016f
Reviewed-on: https://review.coreboot.org/c/coreboot/+/65336
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Ricky Chang <rickytlchang@google.com>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
diff --git a/src/mainboard/google/brya/variants/kinox/overridetree.cb b/src/mainboard/google/brya/variants/kinox/overridetree.cb
index 913ff01..7649064 100644
--- a/src/mainboard/google/brya/variants/kinox/overridetree.cb
+++ b/src/mainboard/google/brya/variants/kinox/overridetree.cb
@@ -56,6 +56,13 @@
 		[PchSerialIoIndexGSPI1] = PchSerialIoDisabled,
 	}"
 
+	register "ddi_ports_config" = "{
+		[DDI_PORT_A] = DDI_ENABLE_HPD,
+		[DDI_PORT_B] = DDI_ENABLE_HPD | DDI_ENABLE_DDC,
+		[DDI_PORT_1] = DDI_ENABLE_HPD,
+		[DDI_PORT_2] = DDI_ENABLE_HPD | DDI_ENABLE_DDC
+	}"
+
 	device domain 0 on
 		device ref dtt on
 			chip drivers/intel/dptf