Index: boot/arch/amd64/Makefile.inc
===================================================================
--- boot/arch/amd64/Makefile.inc	(revision 53b9f2c3825e0a362ac71ad50183265aa5d20115)
+++ boot/arch/amd64/Makefile.inc	(revision 6b433a80b98bf4490e3bfe28af7af8fe99fc86ab)
@@ -53,4 +53,5 @@
 	bus/usb/usbmid \
 	bus/usb/vhc \
+	bus/usb/xhci \
 	block/usbmast \
 	hid/usbhid