Merge tag 'u-boot-at91-2023.04-a' of https://source.denx.de/u-boot/custodians/u-boot-at91 into next

First set of u-boot-at91 features for the 2023.04 cycle:

This feature set includes the new DM-based NAND flash driver (old non-DM
driver is still kept for backwards compatibility), and the move to DM
NAND flash driver for sam9x60ek board. Feature set also includes
devicetree alignment for sama7g5 with Linux, devicetree alignment on USB
with Linux for all boards (sama5, sam9x60), chip id for sama7g5, minor
configs and tweaks.