usb: gadget: renesas_usbhs: add mod_host support

This is mod_host prototype support for renesas_usbhs driver.
It doesn't support USB-Hub, and USB-DMAC for now.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig
index 3e5b235..060e0e2 100644
--- a/drivers/usb/host/Kconfig
+++ b/drivers/usb/host/Kconfig
@@ -515,6 +515,19 @@
 	  To compile this driver as a module, choose M here: the
 	  module will be called r8a66597-hcd.
 
+config USB_RENESAS_USBHS_HCD
+	tristate "Renesas USBHS HCD support"
+	depends on USB
+	depends on USB_RENESAS_USBHS
+	help
+	  The Renesas USBHS is a USB 2.0 host and peripheral controller.
+
+	  Enable this option if your board has this chip, and you want
+	  to use it as a host controller.  If unsure, say N.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called renesas-usbhs.
+
 config USB_WHCI_HCD
 	tristate "Wireless USB Host Controller Interface (WHCI) driver (EXPERIMENTAL)"
 	depends on EXPERIMENTAL