mb/google/skyrim/var/winterhold: Fix USB port register scope

Commit f99d6700 ("mb/google/skyrim/var/winterhold: Fix USB port ACPI
generation") fixed the USB-A ports being double-nested, but neglected
to move the chip driver registers up into the correct scope. While the
generated ACPI is still correct, fix the register scope anyway to
avoid confusion.

BUG=b:283778468
BRANCH=skyrim
TEST=build/boot winterhold, dump ACPI, verify unchanged

Change-Id: Ia9982fed0fe2093d787ee9506ac5bbadd6cc03f9
Signed-off-by: Matt DeVillier <matt.devillier@amd.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/75389
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
diff --git a/src/mainboard/google/skyrim/variants/winterhold/overridetree.cb b/src/mainboard/google/skyrim/variants/winterhold/overridetree.cb
index 48800dd..57e2cab 100644
--- a/src/mainboard/google/skyrim/variants/winterhold/overridetree.cb
+++ b/src/mainboard/google/skyrim/variants/winterhold/overridetree.cb
@@ -136,20 +136,18 @@
 				chip drivers/usb/acpi
 					device ref xhci_1_root_hub on # XHCI1 root hub
 						chip drivers/usb/acpi
-							device ref usb3_port3 on # USB 3.1 port3
-								register "desc" = ""USB3 Type-A Port A0 (MLB)""
-								register "type" = "UPC_TYPE_USB3_A"
-								register "use_custom_pld" = "true"
-								register "custom_pld" = "ACPI_PLD_TYPE_A(LEFT, LEFT, ACPI_PLD_GROUP(3, 1))"
-							end # USB 3.1 port3
+							register "desc" = ""USB3 Type-A Port A0 (MLB)""
+							register "type" = "UPC_TYPE_USB3_A"
+							register "use_custom_pld" = "true"
+							register "custom_pld" = "ACPI_PLD_TYPE_A(LEFT, LEFT, ACPI_PLD_GROUP(3, 1))"
+							device ref usb3_port3 on end # USB 3.1 port3
 						end
 						chip drivers/usb/acpi
-							device ref usb2_port3 on # USB 2 port3
-								register "desc" = ""USB2 Type-A Port A0 (MLB)""
-								register "type" = "UPC_TYPE_USB3_A"
-								register "use_custom_pld" = "true"
-								register "custom_pld" = "ACPI_PLD_TYPE_A(LEFT, LEFT, ACPI_PLD_GROUP(3, 1))"
-							end # USB 2 port3
+							register "desc" = ""USB2 Type-A Port A0 (MLB)""
+							register "type" = "UPC_TYPE_USB3_A"
+							register "use_custom_pld" = "true"
+							register "custom_pld" = "ACPI_PLD_TYPE_A(LEFT, LEFT, ACPI_PLD_GROUP(3, 1))"
+							device ref usb2_port3 on end # USB 2 port3
 						end
 					end # XHCI1 root hub
 				end