[PATCH] MAINTAINERS: Add Dario and Michael as nand maintainers

[Frieder Schrempf]

Am 29.06.22 um 17:57 schrieb Michael Trimarchi:
> Both of us are working on Nand subsystem on several architectures and
> we have boards and projects to improve the subsystem in uboot. The idea
> is to garantee quick feedback on patches sent on mailing list and most
> of the time the possibilities to test them.
> 
> Cc: Dario Binacchi <dario.binacchi at amarulasolutions.com>
> Cc: Tom Rini <trini at konsulko.com>
> Signed-off-by: Michael Trimarchi <michael at amarulasolutions.com>

Thanks for stepping up to do the maintenance work for NAND in U-Boot!

Nitpick: In the future you might want to capitalize "NAND" as it's an
acronym. ;)