[PATCH 1/1] doc: move i.MX7D/i.MX8MM A/B booting to board specific

[Marek Vasut]

On 8/16/21 7:59 AM, Heinrich Schuchardt wrote:
> Having "i.MX7D/i.MX8MM SRC_GPR10 PERSIST_SECONDARY_BOOT for bootloader A/B
> switching" at the top level of the documentation tree does not make sense.
> Move it to board specific information.

This is not board-specific, but iMX arch specific, so why would it be in 
board/ directory ?