usb: phy: generic: Add gpio_reset to platform data

The GPIO number of the RESET line can be passed to the
driver using the gpio_reset member.
Signed-off-by: NRoger Quadros <rogerq@ti.com>
Signed-off-by: NFelipe Balbi <balbi@ti.com>

include/linux/usb/usb_phy_gen_xceiv.h

@@ -9,7 +9,8 @@ struct usb_phy_gen_xceiv_platform_data {
 
 	/* if set fails with -EPROBE_DEFER if can't get regulator */
 	unsigned int needs_vcc:1;
-	unsigned int needs_reset:1;
+	unsigned int needs_reset:1;	/* deprecated */
+	int gpio_reset;
 };
 
 #if IS_ENABLED(CONFIG_NOP_USB_XCEIV)