ARM: plat-mxc: audmux-v1: Remove unneeded ifdef's

As we are able to build a single kernel that can run on mx21 and mx27,
there is no need for the ifdef's anymore inside audmux-v1.c.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

arch/arm/plat-mxc/audmux-v1.c

@@ -46,16 +46,13 @@ EXPORT_SYMBOL_GPL(mxc_audmux_v1_configure_port);
 
 static int mxc_audmux_v1_init(void)
 {
-#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;