mb/*: Add consolidated USB port config for SNB+MRC boards

For each sandybridge boards with option to use MRC or native platform
init code, add a copy of the board's USB port config, consolidated between
both code paths, into the southbridge devicetree, using special values
allocated for this consolidation.

These get hooked up in a separate patch.

Change-Id: I53efca3d29b3c5d4d5b7e3d6dc3e6ce6c34201e6
Signed-off-by: Keith Hui <buurin@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/81880
Reviewed-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/mainboard/intel/dcp847ske/devicetree.cb b/src/mainboard/intel/dcp847ske/devicetree.cb
index f4e948f..8b10b6b 100644
--- a/src/mainboard/intel/dcp847ske/devicetree.cb
+++ b/src/mainboard/intel/dcp847ske/devicetree.cb
@@ -43,6 +43,23 @@
 
 			register "gen1_dec" = "0x00fc0a01"	# SuperIO @0xa00-0xaff
 
+			register "usb_port_config" = "{
+				{1, 1, 0}, /* back, towards HDMI plugs */
+				{1, 1, 0}, /* back, towards power plug */
+				{1, 1, 1}, /* half-width miniPCIe */
+				{1, 1, 1}, /* full-width miniPCIe */
+				{1, 1, 2}, /* front-panel header */
+				{1, 1, 2}, /* front-panel header */
+				{1, 1, 3}, /* front connector */
+				{0, 1, 3}, /* not available x7 */
+				{0, 1, 4},
+				{0, 1, 4},
+				{0, 1, 5},
+				{0, 1, 5},
+				{0, 1, 6},
+				{0, 1, 6}
+			}"
+
 			device ref xhci off end	# USB xHCI
 			device ref mei1 on  end	# Management Engine Interface 1
 			device ref mei2 off end	# Management Engine Interface 2