arm/imx/audmux-v1: use SoC-prefixed names

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
diff --git a/arch/arm/plat-mxc/audmux-v1.c b/arch/arm/plat-mxc/audmux-v1.c
index da6387d..b62917c 100644
--- a/arch/arm/plat-mxc/audmux-v1.c
+++ b/arch/arm/plat-mxc/audmux-v1.c
@@ -50,8 +50,18 @@
 
 static int mxc_audmux_v1_init(void)
 {
-	if (cpu_is_mx27() || cpu_is_mx21())
-		audmux_base = IO_ADDRESS(AUDMUX_BASE_ADDR);
+#ifdef CONFIG_MACH_MX21
+	if (cpu_is_mx21())
+		audmux_base = MX21_IO_ADDRESS(MX21_AUDMUX_BASE_ADDR);
+	else
+#endif
+#ifdef CONFIG_MACH_MX27
+	if (cpu_is_mx27())
+		audmux_base = MX27_IO_ADDRESS(MX27_AUDMUX_BASE_ADDR);
+	else
+#endif
+		(void)0;
+	
 	return 0;
 }