omap_hsmmc: add driver check for write protection

Add check for write protection in omap mmc driver.

Signed-off-by: Nikita Kiryanov <nikita@compulab.co.il>
Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Reviewed-by: Tom Rini <trini@ti.com>
diff --git a/arch/arm/include/asm/omap_mmc.h b/arch/arm/include/asm/omap_mmc.h
index 8d86de1..617e22f 100644
--- a/arch/arm/include/asm/omap_mmc.h
+++ b/arch/arm/include/asm/omap_mmc.h
@@ -161,7 +161,8 @@
 #define mmc_reg_out(addr, mask, val)\
 	writel((readl(addr) & (~(mask))) | ((val) & (mask)), (addr))
 
-int omap_mmc_init(int dev_index, uint host_caps_mask, uint f_max, int cd_gpio);
+int omap_mmc_init(int dev_index, uint host_caps_mask, uint f_max, int cd_gpio,
+		int wp_gpio);
 
 
 #endif /* OMAP_MMC_H_ */