uboot-phytec

Merge https://gitlab.denx.de/u-boot/custodians/u-boot-fsl-qoriq

- Fixes env variable for layerscape platforms, disable hs200.
- Fixes board fixup, mux setting, enable gic, fspi on lx2160a, Fixes I2C
  DM Warning on ls1043a, ls1046a
- Fixes RGMII port on ls1046ardb, ls1046ardb and DM_USB Warning on
  ls1012afrdm, ls1021aiot