[PATCH] imx8mm/mn: Add missing root clock entry for ARM core clock

[sbabic at denx.de]

> From: Frieder Schrempf <frieder.schrempf at kontron.de>
> The current implementation in arch/arm/mach-imx/cpu.c uses non-DM
> code to retrieve the core clock frequency. As the root clock is not
> listed we currently get:
> CPU:   Freescale i.MX8MMQ rev1.0 at 0 MHz
> Fix this by adding the missing entry, which results in:
> CPU:   Freescale i.MX8MMQ rev1.0 at 1200 MHz
> Signed-off-by: Frieder Schrempf <frieder.schrempf at kontron.de>
> Reviewed-by: Fabio Estevam <festevam at gmail.com>
Applied to u-boot-imx, master, thanks !

Best regards,
Stefano Babic

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