Merge tag 'u-boot-atmel-fixes-2020.04-a' of https://gitlab.denx.de/u-boot/custodians...

First set of u-boot-atmel fixes for 2020.04 cycle:
- Includes two small configuration fixes that will solve the SPL booting
  on sama5d3_xplained board.

diff --cc configs/sama5d3_xplained_nandflash_defconfig
Simple merge