Merge tag 'u-boot-imx-20200408' of https://gitlab.denx.de/u-boot/custodians/u-boot-imx

Fixes for 2020.04
-----------------

- mx7dsabre: Fix ramdisk_addr* for distro boot
- Toradex boards

Travis: https://travis-ci.org/github/sbabic/u-boot-imx/builds/671988124