Merge tag 'xilinx-for-v2019.04' of git://git.denx.de/u-boot-microblaze

Xilinx changes for v2019.04

tools:
- Fix zynqmpimage generation

zynq:
- Some configs/Kconfig/DT updates
- Enable REMAKE_ELF and OF_SEPARATE
- Topic boards update
- i2c cleanups and conversion to DM_I2C

zynqmp:
- Some configs/Kconfig/DT updates
- Board config cleanup
- Move arch folder to mach-zynqmp

versal:
- Enable DM_I2C, CMD_DM

zynq-gem:
- Fix driver cache handling

i2c:
- Live tree simple update

phy:
- Fixed phy cleanup

travis:
- Wire Versal SoC