Merge tag 'xilinx-for-v2026.10-rc1-v2' of https://source.denx.de/u-boot/custodians...

AMD/Xilinx/FPGA changes for v2026.10-rc1 v2

zynqmp:
- Clean up USB gadget configuration

mbv:
- Reduce SPL size

versal:
- Add support for A/B capsule update

versal2:
- Add support for A/B capsule update

reset:
- Introduce reset_reset_bulk() generic interface
- zynqmp: Implement reset_reset_bulk() interface

spi:
- cadence: Switch to reset_reset_bulk() interface