usb: omap1: add extcon to platform data

Add extcon field to platform data.
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Felipe Balbi <balbi@ti.com>

include/linux/platform_data/usb-omap1.h

@@ -23,6 +23,8 @@ struct omap_usb_config {
 	unsigned	register_dev:1;
 	u8		otg;	/* port number, 1-based:  usb1 == 2 */
 
+	const char	*extcon;	/* extcon device for OTG */
+
 	u8		hmc_mode;
 
 	/* implicitly true if otg:  host supports remote wakeup? */