tgl mainboards: Move usb{2,3}_ports settings into XHCI device scope

Change-Id: Ide5126c6e642ca16249efeaf46321724f2ddce9a
Signed-off-by: Felix Singer <felixsinger@posteo.net>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/83245
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Elyes Haouas <ehaouas@noos.fr>
diff --git a/src/mainboard/google/volteer/variants/elemi/overridetree.cb b/src/mainboard/google/volteer/variants/elemi/overridetree.cb
index 4adf76a..5eef9ef 100644
--- a/src/mainboard/google/volteer/variants/elemi/overridetree.cb
+++ b/src/mainboard/google/volteer/variants/elemi/overridetree.cb
@@ -66,15 +66,6 @@
 		},
 	}"
 
-	# Disable M.2 WWAN
-	register "usb2_ports[2]" = "USB2_PORT_EMPTY"
-
-	# Type-A / Type-C C1
-	register "usb2_ports[3]" = "USB2_PORT_TYPE_C(OC_SKIP)"
-
-	# Type-A / Type-C C0
-	register "usb2_ports[8]" = "USB2_PORT_TYPE_C(OC_SKIP)"
-
 	device domain 0 on
 		device ref dptf on
 			chip drivers/intel/dptf
@@ -146,6 +137,12 @@
 			end
 		end
 		device ref south_xhci on
+			register "usb2_ports" = "{
+				[2] = USB2_PORT_EMPTY,			// Disable M.2 WWAN
+				[3] = USB2_PORT_TYPE_C(OC_SKIP),	// Type-A / Type-C C1
+				[8] = USB2_PORT_TYPE_C(OC_SKIP),	// Type-A / Type-C C0
+			}"
+
 			chip drivers/usb/acpi
 				device ref xhci_root_hub on
 					chip drivers/usb/acpi