set_vpp() is only functional for omap1 now

Signed-off-by: Amit Kucheria <amit.kucheria@verdurent.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

drivers/mtd/maps/omap_nor.c

@@ -61,7 +61,7 @@ static void omap_set_vpp(struct map_info *map, int enable)
 {
 	static int	count;
 
-	if (!cpu_is_omap24xx()) {
+	if (cpu_class_is_omap1()) {
 		if (enable) {
 			if (count++ == 0)
 				OMAP_EMIFS_CONFIG_REG |= OMAP_EMIFS_CONFIG_WP;