ARM: dts: i.MX27: Disable AUDMUX in the template

AUDMUX expects additional parameters to be configured correctly,
so turn it off into a template.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>

arch/arm/boot/dts/imx27.dtsi

@@ -300,6 +300,7 @@ audmux: audmux@10016000 {
 				reg = <0x10016000 0x1000>;
 				clocks = <&clks 0>;
 				clock-names = "audmux";
+				status = "disabled";
 			};
 
 			cspi3: cspi@10017000 {