usb: musb-new: Kconfig support for USB_MUSB_HOST and USB_MUSB_GADGET

Having MUSB_HOST and MUSB_GADGET in Kconfig allows more flexibility with regard
to what Kconfig options to enable, such as USB_STORAGE or USB_KEYBOARD.

Signed-off-by: Paul Kocialkowski <contact@paulk.fr>

drivers/usb/Kconfig

@@ -49,6 +49,8 @@ config DM_USB
 
 source "drivers/usb/host/Kconfig"
 
+source "drivers/usb/musb-new/Kconfig"
+
 source "drivers/usb/emul/Kconfig"
 
 comment "USB peripherals"

drivers/usb/musb-new/Kconfig

+#
+# MUSB Controller Driver
+#
+comment "MUSB Controller Driver"
+
+config USB_MUSB_HOST
+	bool "MUSB host mode support"
+	help
+	  Enables the MUSB USB dual-role controller in host mode.
+
+config USB_MUSB_GADGET
+	bool "MUSB gadget mode support"
+	help
+	  Enables the MUSB USB dual-role controller in gadget mode.