usb: add HAS_IOMEM dependency to USB_FOTG210_HCD

drivers/built-in.o: In function `fotg210_hcd_probe':
/home/vegard/linux/drivers/usb/host/fotg210-hcd.c:5637: undefined reference to `devm_ioremap_resource'
Signed-off-by: Vegard Nossum <vegard.nossum@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/host/Kconfig

@@ -367,6 +367,7 @@ config USB_ISP1362_HCD
 config USB_FOTG210_HCD
 	tristate "FOTG210 HCD support"
 	depends on USB
+	depends on HAS_IOMEM
 	---help---
 	  Faraday FOTG210 is an OTG controller which can be configured as
 	  an USB2.0 host. It is designed to meet USB2.0 EHCI specification