USB: list atmel husb2_udc gadget controller

This identifies the driver for the Atmel HUSB2 Device Controller,
as integrated into the first AVR32 chip, the AT32AP700.

From: Hvard Skinnemoen <hskinnemoen@atmel.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/usb/gadget/gadget_chips.h

@@ -75,6 +75,12 @@
 #define	gadget_is_pxa27x(g)	0
 #endif
 
+#ifdef CONFIG_USB_GADGET_HUSB2DEV
+#define gadget_is_husb2dev(g)	!strcmp("husb2_udc", (g)->name)
+#else
+#define gadget_is_husb2dev(g)	0
+#endif
+
 #ifdef CONFIG_USB_GADGET_S3C2410
 #define gadget_is_s3c2410(g)    !strcmp("s3c2410_udc", (g)->name)
 #else
@@ -169,5 +175,7 @@ static inline int usb_gadget_controller_number(struct usb_gadget *gadget)
 		return 0x16;
 	else if (gadget_is_mpc8272(gadget))
 		return 0x17;
+	else if (gadget_is_husb2dev(gadget))
+		return 0x18;
 	return -ENOENT;
 }