sh: r2d - enable sm501 usb host function

This patch tells the sm501 mfd driver to build platform data for the
sm501 usb host driver.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

arch/sh/boards/renesas/rts7751r2d/setup.c

@@ -149,6 +149,7 @@ static struct sm501_initdata sm501_initdata = {
 		.set	= 0x00001fe0,
 		.mask	= 0x0,
 	},
+	.devices	= SM501_USE_USB_HOST,
 };
 
 static struct sm501_platdata sm501_platform_data = {