usb: UniPhier: add UniPhier on-chip xHCI host driver support

Support xHCI host driver used on Panasonic UniPhier platform.

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Acked-by: Marek Vasut <marex@denx.de>
diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig
index 0e005c2..24a595f 100644
--- a/drivers/usb/host/Kconfig
+++ b/drivers/usb/host/Kconfig
@@ -17,6 +17,14 @@
 
 if USB_XHCI_HCD
 
+config USB_XHCI_UNIPHIER
+	bool "Support for Panasonic UniPhier on-chip xHCI USB controller"
+	depends on ARCH_UNIPHIER
+	default y
+	---help---
+	  Enables support for the on-chip xHCI controller on Panasonic
+	  UniPhier SoCs.
+
 endif
 
 config USB_EHCI_HCD