mb/google/brask/variants/moli: enable USBA port 4

Moli has USBA port4 but Brask didn't use the port4,
so enable USBA port4 in moli.

BUG=b:232656163
TEST=emerge-brask coreboot.

Signed-off-by: Raihow Shi <raihow_shi@wistron.corp-partner.google.com>
Change-Id: I5308e3102ea9f0718802596a235c0a5cc42e30bc
Reviewed-on: https://review.coreboot.org/c/coreboot/+/64370
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Zhuohao Lee <zhuohao@google.com>
diff --git a/src/mainboard/google/brya/variants/moli/overridetree.cb b/src/mainboard/google/brya/variants/moli/overridetree.cb
index db472c5..36938d7 100644
--- a/src/mainboard/google/brya/variants/moli/overridetree.cb
+++ b/src/mainboard/google/brya/variants/moli/overridetree.cb
@@ -22,6 +22,7 @@
 	}"
 	register "usb2_ports[1]" = "USB2_PORT_EMPTY" 		# Disable USB2 Port2
 	register "usb2_ports[2]" = "USB2_PORT_TYPE_C(OC2)"  	# USB2 Port3
+	register "usb2_ports[3]" = "USB2_PORT_SHORT(OC_SKIP)"	# Enable USB2 Port4
 	register "usb2_ports[8]" = "USB2_PORT_EMPTY"		# Disable USB2 Port9
 	register "tcss_ports[2]" = "TCSS_PORT_EMPTY"		# Disable TCP3
 	register "cnvi_bt_audio_offload" = "true"