BCM270X_DT: switch to bcm2835-i2s

I2S soundcard drivers with proper devicetree support (i.e. not linking
to the cpu_dai/platform via name but to cpu/platform via of_node)
will work out of the box without any modifications.

When the kernel is compiled without devicetree support the platform
code will instantiate the bcm2708-i2s driver and I2S soundcard drivers
will link to it via name, as before.

Signed-off-by: Matthias Reichl <[email protected]>

Author: HiassofT

arch/arm/boot/dts/bcm2708_common.dtsi

@@ -127,7 +127,7 @@
 		};
 
 		i2s: i2s@7e203000 {
-			compatible = "brcm,bcm2708-i2s";
+			compatible = "brcm,bcm2835-i2s";
 			reg = <0x7e203000 0x24>,
 			      <0x7e101098 0x08>;