musb: fix power field to hold all possible values

MUSB can supply upto 500mA such as, AM3517 and OMAP3EVM Rev >=E and thus
the 'power' field has to hold values above 255.
Signed-off-by: NAjay Kumar Gupta <ajay.gupta@ti.com>
Signed-off-by: NFelipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

arch/arm/plat-omap/include/plat/usb.h

@@ -46,7 +46,7 @@ struct ehci_hcd_omap_platform_data {
 struct omap_musb_board_data {
 	u8	interface_type;
 	u8	mode;
-	u8	power;
+	u16	power;
 };
 
 enum musb_interface    {MUSB_INTERFACE_ULPI, MUSB_INTERFACE_UTMI};