mb/google/rex: Remove USB2_8 Connection

DCI interface deprecated for Proto1. USB2_8 port becomes no-connect.

BUG=b:263494661
TEST=Able to build and boot Google/Rex.

Signed-off-by: Subrata Banik <subratabanik@google.com>
Change-Id: I6f03d600acd8ceaa5a5630fc19c1c7e34a4ea28f
Reviewed-on: https://review.coreboot.org/c/coreboot/+/71237
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Reviewed-by: Ivy Jian <ivy.jian@quanta.corp-partner.google.com>
Reviewed-by: Kapil Porwal <kapilporwal@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/mainboard/google/rex/variants/rex0/overridetree.cb b/src/mainboard/google/rex/variants/rex0/overridetree.cb
index 2a8c14c..4724605 100644
--- a/src/mainboard/google/rex/variants/rex0/overridetree.cb
+++ b/src/mainboard/google/rex/variants/rex0/overridetree.cb
@@ -35,7 +35,6 @@
 	register "usb2_ports[3]" = "USB2_PORT_TYPE_C(OC_SKIP)"	# USB2_C1
 	register "usb2_ports[4]" = "USB2_PORT_MID(OC_SKIP)"	# M.2 WWAN
 	register "usb2_ports[5]" = "USB2_PORT_MID(OC_SKIP)"	# M.2 Camera
-	register "usb2_ports[7]" = "USB2_PORT_MID(OC_SKIP)"	# DCI
 	register "usb2_ports[8]" = "USB2_PORT_MID(OC3)"		# Type-A Port A0
 	register "usb2_ports[9]" = "USB2_PORT_MID(OC_SKIP)"	# M.2 Bluetooth