usb: gadget: m66592-udc: delete __init marker for probe

The probe function may be probed deferal and called after .init
section has freed.

Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

drivers/usb/gadget/m66592-udc.c

@@ -1553,7 +1553,7 @@ static void nop_completion(struct usb_ep *ep, struct usb_request *r)
 {
 }
 
-static int __init m66592_probe(struct platform_device *pdev)
+static int m66592_probe(struct platform_device *pdev)
 {
 	struct resource *res, *ires;
 	void __iomem *reg = NULL;