dt-bindings: mmc: fsl-imx-esdhc: add NXP S32G3 support

Add a compatible string for the SDHC binding of NXP S32G3 platforms. Here
we use "nxp,s32g2-usdhc" as fallback since the s32g2-usdhc
driver works also on S32G3 platforms.

Signed-off-by: Wadim Mueller <wafgo01@gmail.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240324214329.29988-4-wafgo01@gmail.com


Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>