usb: gadget: fsl_qe_udc: fix IS_ERR_VALUE usage

IS_ERR_VALUE macro should be used only with unsigned long type.
Otherwise it can work incorrectly.

The patch follows conclusion from discussion on LKML [1][2].

[1]: http://permalink.gmane.org/gmane.linux.kernel/2120927
[2]: http://permalink.gmane.org/gmane.linux.kernel/2150581

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>

drivers/usb/gadget/udc/fsl_qe_udc.c

@@ -2340,7 +2340,7 @@ static struct qe_udc *qe_udc_config(struct platform_device *ofdev)
 {
 	struct qe_udc *udc;
 	struct device_node *np = ofdev->dev.of_node;
-	unsigned int tmp_addr = 0;
+	unsigned long tmp_addr = 0;
 	struct usb_device_para __iomem *usbpram;
 	unsigned int i;
 	u64 size;