Merge tag 'xilinx-for-v2021.07-rc5' of https://source.denx.de/u-boot/custodians/u-boot-microblaze

Xilinx changes for v2021.07-rc5

zynqmp:
- Fix ANALOG_BUS value after powerup
- Disable EFI_CAPSULE_ON_DISK_EARLY

zynqmp-gqspi:
- Fix write issue