[PATCH] ARM: dts: porter: add sound support

[Kuninori Morimoto]

Hi

> Define the Porter board dependent part of the R8A7791 sound device node.
> Add device node for Asahi Kasei AK4642 stereo codec  to the I2C2 bus.
> Add the "simple-audio-card" device node to interconnect the SoC sound
> device  and the codec.
> 
> Signed-off-by: Sergei Shtylyov <sergei.shtylyov at cogentembedded.com>

Acked-by: Kuninori Morimoto <kuninori.morimoto.gx at renesas.com>

> +/*
> + * SSI-AK4642
> + *
> + * SW3: 1: AK4642
> + *      3: ADV7511

This is no a big deal, but according to my schematic,
porter is using JP3, not SW3, but no one cares ;P

Best regards
---
Kuninori Morimoto