Merge tag 'u-boot-imx-20200107' of https://gitlab.denx.de/u-boot/custodians/u-boot-imx

New for 2020.04
---------------

- New boards
	Embedded Artists COM board
	Xea Board
- Switch to DM:
	Aristainetos boards
	Toradex colibri (DM_ETH)
	iCubox
	GE bx50v3
	mx7dsabre (DM_ETH)
	cx9020
- New features:
	Bootaux with elf files
	Default SYS_THUMB_BUILD for i.MX6/7
- Fixes:
	DHCOM i.MX6 PDK
	Engicam
	i.MX8M tools (imx8m_image)

Travis: https://travis-ci.org/sbabic/u-boot-imx/builds/633679664