omap: mux: Remove old mux code

All mach-omap2 omaps should now use the new mux code.

Signed-off-by: Tony Lindgren <tony@atomide.com>
diff --git a/arch/arm/plat-omap/mux.c b/arch/arm/plat-omap/mux.c
index 0670363..0d4aa0d 100644
--- a/arch/arm/plat-omap/mux.c
+++ b/arch/arm/plat-omap/mux.c
@@ -54,7 +54,7 @@
 {
 	struct pin_config *reg;
 
-	if (cpu_is_omap34xx() || cpu_is_omap44xx()) {
+	if (!cpu_class_is_omap1()) {
 		printk(KERN_ERR "mux: Broken omap_cfg_reg(%lu) entry\n",
 				index);
 		WARN_ON(1);