Merge tag 'xilinx-for-v2021.07' of...

Merge tag 'xilinx-for-v2021.07' of https://source.denx.de/u-boot/custodians/u-boot-microblaze into next

Xilinx changes for v2021.07

net:
- Fix gem PCS support

spi:
- Small trivial fixes

zynq:
- Enable time/timer commands
- Update bitmain platform
- Several DT changes

zynqmp:
- Update clock driver
- mini config alignments
- Add/update psu_init for zcu208/zcu216/zc1275
- Several DT changes
- Enable efi debug command (also for Versal)