usb: chipidea: set usb otg capabilities

Init and update otg capabilities by DT, set gadget's otg capabilities
accordingly.

Acked-by: Peter Chen <peter.chen@freescale.com>
Reviewed-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Li Jun <jun.li@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

include/linux/usb/chipidea.h

@@ -34,6 +34,7 @@ struct ci_hdrc_platform_data {
 #define CI_HDRC_CONTROLLER_STOPPED_EVENT	1
 	void	(*notify_event) (struct ci_hdrc *ci, unsigned event);
 	struct regulator	*reg_vbus;
+	struct usb_otg_caps	ci_otg_caps;
 	bool			tpl_support;
 };