Merge tag 'u-boot-imx-20220220' of https://gitlab.denx.de/u-boot/custodians/u-boot-imx

u-boot-imx-20220220
-------------------

CI : https://source.denx.de/u-boot/custodians/u-boot-imx/-/pipelines/11037

- ESDHC fixes
- imx8mq : MNT Reform 2 board
- imx8m: add support for Advantech RSB-3720
- fixes for imx8mn-ddr4-evk
- fixes gateworks boards
- doc : fix build for imx8mn_beacon
- fuses: compare and read functions
- imx8mn-ddr4-evk: boot from SD and Ethernet support