usb: host: ehci: fix missing kfree in remove path also

Added missing kfree() in ehci_hcd_omap_remove().
Signed-off-by: Ajay Kumar Gupta <ajay.gupta@ti.com>
Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/usb/host/ehci-omap.c

@@ -681,6 +681,7 @@ static int ehci_hcd_omap_remove(struct platform_device *pdev)
 	iounmap(omap->tll_base);
 	iounmap(omap->uhh_base);
 	usb_put_hcd(hcd);
+	kfree(omap);
 
 	return 0;
 }