arm64: dts: freescale: minor whitespace cleanup around '='

The DTS code coding style expects exactly one space before and after '='
sign.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arm64: dts: imx8mp-msc-sm2s-ep1: Remove invalid sgtl5000 property

As per sgtl5000.yaml, 'clock-names' is not a valid property.

Remove it to fix the following schema warning:

imx8mp-msc-sm2s-ep1.dtb: audio-codec@a: Unevaluated properties are not allowed ('clock-names' was unexpected)

Signed-off-by: Fabio Estevam <festevam@denx.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arm64: dts: imx8mp-msc-sm2s: Add sound card

The MSC SM2-MB-EP1 carrier board for the SM2S-IMX8PLUS SMARC module has an
NXP SGTL5000 audio codec connected to I2S-0 (sai2).

This requires to:

* add the power supplies (always on)
* enable sai2 with pinmuxes
* reparent the CLKOUT1 clock that feeds the codec SYS_MCLK to
IMX8MP_CLK_24M in order it to generate an accurate 24 MHz rate

Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arm64: dts: imx8mp-msc-sm2s: Add device trees for MSC SM2S-IMX8PLUS SoM and carrier board

Add device trees for one of a number of MSC's (parent company, Avnet)
variants of the SM2S-IMX8PLUS system on module along with the compatible
SM2S-SK-AL-EP1 carrier board. As the name suggests, this family of SoMs use
the NXP i.MX8MP SoC and provide the SMARC module interface.

Signed-off-by: Martyn Welch <martyn.welch@collabora.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>