Merge tag 'xilinx-for-v2019.10' of https://gitlab.denx.de/u-boot/custodians/u-boot-microblaze

Xilinx/FPGA changes for v2019.10

fpga:
- Xilinx virtex2 cleanup
- Altera cyclon2 cleanup

zynq:
- Minor Kconfig cleanup
- Add psu_init configuration for Z-turn board

zynqmp:
- Add support for pmufw config passing to PMU
- script for psu_init conversion
- zcu1275 renaming

xilinx:
- Add support for UltraZed-EV SoM