Merge tag 'xilinx-for-v2022.07-rc4' of https://source.denx.de/u-boot/custodians/u-boot-microblaze

Xilinx changes for v2022.07-rc4

zynqmp:
- Fix DP PLL configuration for zcu102/zcu106 and SOM
- Fix split mode for starting R5s
- DT fixes
- Remove firmware node for mini configurations
- Wire TEE for multi DTB fit image

xilinx:
- Handle board_get_usable_ram_top(0) properly

phy:
- Extend psgtr timeout

mmc:
- Fix mini configuration which misses zynqmp_pm_is_function_supported()