Merge tag 'xilinx-for-v2025.07-rc4' of https://source.denx.de/u-boot/custodians/u-boot-microblaze

AMD/Xilinx/FPGA changes for v2025.07-rc4

usb:
- Fix regulator handling

net:
- Fix MII clock handling

phy:
- Fix GTR line logic for sgmii

pci:
- Fix pcireg_base logic

fpga:
- Fix change handling in intel_sdm_mb driver