Merge tag 'u-boot-at91-2022.04-a' of https://source.denx.de/u-boot/custodians/u-boot-at91 into next

First set of u-boot-at91 features for the 2022.04 cycle:

This feature set includes : support for the new QSPI hardware on
sama7g5, small fixes on sam9x60 and sama7g5, some additions of commands
and PIO controller on sam9x60/sam9x60ek.