skl mainboards/dt: Move usb{2,3}_ports settings into XHCI device scope

Change-Id: I22ba991a9d559b0ecc7b3ceddcfd099890dd6c3a
Signed-off-by: Felix Singer <felixsinger@posteo.net>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/83171
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Eric Lai <ericllai@google.com>
Reviewed-by: Marvin Evers <marvin.n.evers@gmail.com>
Reviewed-by: Erik van den Bogaert <ebogaert@eltan.com>
Reviewed-by: Michael Niewöhner <foss@mniewoehner.de>
Reviewed-by: Jonathon Hall <jonathon.hall@puri.sm>
diff --git a/src/mainboard/51nb/x210/devicetree.cb b/src/mainboard/51nb/x210/devicetree.cb
index 17a5f75..51cb89a 100644
--- a/src/mainboard/51nb/x210/devicetree.cb
+++ b/src/mainboard/51nb/x210/devicetree.cb
@@ -75,18 +75,6 @@
 	register "PcieRpAdvancedErrorReporting[8]" = "1"
 	register "PcieRpLtrEnable[8]" = "1"
 
-	register "usb2_ports[0]" = "USB2_PORT_MID(OC1)"		# Type-A Port (left)
-	register "usb2_ports[1]" = "USB2_PORT_MID(OC1)"		# Type-A Port (left)
-	register "usb2_ports[2]" = "USB2_PORT_FLEX(OC_SKIP)"	# FPR
-	register "usb2_ports[3]" = "USB2_PORT_FLEX(OC_SKIP)"	# SD
-	register "usb2_ports[4]" = "USB2_PORT_FLEX(OC_SKIP)"	# INT
-	register "usb2_ports[5]" = "USB2_PORT_MID(OC1)"		# Type-A Port (right)
-	register "usb2_ports[6]" = "USB2_PORT_FLEX(OC_SKIP)"	# Webcam
-	register "usb2_ports[7]" = "USB2_PORT_MID(OC_SKIP)"	# mPCIe / WiFi Port
-	register "usb2_ports[8]" = "USB2_PORT_MID(OC_SKIP)"	# mSATA / WWAN Port
-
-	register "usb3_ports[0]" = "USB3_PORT_DEFAULT(OC1)"	# Type-A Port (left)
-	register "usb3_ports[1]" = "USB3_PORT_DEFAULT(OC1)"	# Type-A Port (left)
 
 	# PL1 override 25W
 	# PL2 override 44W
@@ -101,7 +89,24 @@
 	device domain 0 on
 		device ref igpu		on  end
 		device ref sa_thermal	on  end
-		device ref south_xhci	on  end
+		device ref south_xhci	on
+			register "usb2_ports" = "{
+				[0] = USB2_PORT_MID(OC1),	// Type-A Port (left)
+				[1] = USB2_PORT_MID(OC1),	// Type-A Port (left)
+				[2] = USB2_PORT_FLEX(OC_SKIP),	// FPR
+				[3] = USB2_PORT_FLEX(OC_SKIP),	// SD
+				[4] = USB2_PORT_FLEX(OC_SKIP),	// INT
+				[5] = USB2_PORT_MID(OC1),	// Type-A Port (right)
+				[6] = USB2_PORT_FLEX(OC_SKIP),	// Webcam
+				[7] = USB2_PORT_MID(OC_SKIP),	// mPCIe / WiFi Port
+				[8] = USB2_PORT_MID(OC_SKIP),	// mSATA / WWAN Port
+			}"
+
+			register "usb3_ports" = "{
+				[0] = USB3_PORT_DEFAULT(OC1),	// Type-A Port (left)
+				[1] = USB3_PORT_DEFAULT(OC1),	// Type-A Port (left)
+			}"
+		end
 		device ref thermal	on  end
 		device ref heci1	on  end
 		device ref sata		on  end