Merge tag 'xilinx-for-v2026.07-rc1-v3' of https://source.denx.de/u-boot/custodians...

AMD/Xilinx/FPGA changes for v2026.07-rc1 v3. The biggest part is new
pcie driver for Versal Gen 2 SOC. Others are small fixes and
adjustments.

versal2:
- Wire PCIe IP

cmd/fpga:
- Fix loadb help text guarding
- Add support for skipping fpga ID check

zynqmp:
- Describe missing devices/IDs
- Fix issue around zu63dr_SE

clk/versal:
- Fix out-of-bounds parent id for DUMMY_PARENT

net/gem:
- Add support for 10GBE
- Clear stale speed bits in NWCFG

net/axi_emac:
- Filter out broadcast and multicast packets

pci:
- Add driver for AMD PCIe IP based on DesignWare core