Merge tag 'u-boot-imx-20200804' of https://gitlab.denx.de/u-boot/custodians/u-boot-imx

For 2020.10
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- fixes for Toradex board
- fix warnings from previous PR
- HAB: reset instead of panic after failure
- new board:  MYiR Tech MYS-6ULX
- mx6cuboxi: use OF_PLATDATA
- further changes for DM

Travis: https://travis-ci.org/github/sbabic/u-boot-imx/builds/714513163