Prepare v2019.10-rc4

u-boot-imx-20190916
-------------------

- Technexion boards
- fix in HABv4
- MX8 container file
- Fix for Toradex boards
- i.MX7ULP fixes

Prepare v2019.10-rc3

Prepare v2019.10-rc2

Prepare v2019.10-rc1

u-boot-imx-20190719

- CCF for i.MX6
- nandbcb command to write SPL into NAND
- Switch to DM (i.MX28)
- Boards: Toradex, engicam, DH
- Fixes for i.MX8
- Fixes for i.MX7ULP

Travis: https://travis-ci.org/sbabic/u-boot-imx/builds/561147504

Prepare v2019.07

Fixes for 2019.07
-----------------
- Wandboard