[PATCH v2 3/4] arm64: dts: imx8mm-u-boot.dtsi: use dash for node names

[sbabic at denx.de]

> Some of the nodes were named using a underscore, so rectify this and
> consistenly use dashes.
> Signed-off-by: Patrick Wildt <patrick at blueri.se>
> Reviewed-by: Fabio Estevam <festevam at denx.de>
> Reviewed-by: Marcel Ziswiler <marcel.ziswiler at toradex.com>
Applied to u-boot-imx, master, thanks !

Best regards,
Stefano Babic

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