Index: boot/arch/amd64/Makefile.inc
===================================================================
--- boot/arch/amd64/Makefile.inc	(revision b446b02d16cef27e33c81855d516b2f1a5ce70b2)
+++ boot/arch/amd64/Makefile.inc	(revision f45c78f205c41f1c67dfb0cfec097c87e866c376)
@@ -54,5 +54,6 @@
 	bus/usb/usbmast \
 	bus/usb/usbmid \
-	bus/usb/vhc
+	bus/usb/vhc \
+	bus/usb/xhci
 
 RD_DRV_CFG += \