[PATCH] ARM: dts: nxp/imx: limit sk-imx53 supported frequencies

[Fabio Estevam]

On Sat, Jul 8, 2023 at 2:37 PM Dmitry Baryshkov
<dmitry.baryshkov at linaro.org> wrote:
>
> The SK-IMX53 board bearing i.MX536 CPU is not stable when running at 1.2
> GHz. Disable that frequency.
>
> Note, officially i.MX536 is rated up to 800 MHz, but running it at 1 GHz
> proved to be stable.

If the datasheet says the maximum operating frequency is 800 MHz, just
adhere to it.

Running at 1 GHz on an 800 MHz device is not guaranteed that it works
on all the temperature range and across all devices.

Better play safe here.