Merge tag 'xilinx-for-v2024.04-rc1' of https://source.denx.de/u-boot/custodians/u-boot-microblaze into next

Xilinx changes for v2024.04-rc1

zynqmp:
- Introduce Kria specific defconfig
- Calculate SPI image location based on boot offset
- DT updates

zynqmp-clk:
- Fix topsw_lsbus_clock for DP

axi-enet:
- Support older DT binding

mailbox:
- Add support for multiple mailboxes

pcie-xilinx:
- Covert driver to newer interface
- Enable MMIO region

zynq:
- dfu updates
- Enable capsule update for Antminer S9
- DT updates

xilinx_spi:
- Add new xfer callback and support runtime fifo depth discovery