Merge tag 'xilinx-for-v2025.04-rc2' of https://source.denx.de/u-boot/custodians/u-boot-microblaze

AMD/Xilinx changes for v2025.04-rc2

fpga:
- Cleanup help
- Show xilinx only options on Xilinx devices

ospi-versal:
- Fix alignment issue
- Fix cadence_qspi_flash_reset() prototype

zynqmp:
- Define usb_pgood_delay
- Fix bootseq number

versal:
- Fix mini_ospi configuration

versal2:
- Enable OPTEE

xilinx:
- Enable some flashes
- Clean up SYS_MALLOC_F_LEN Kconfig
- Some binman fixes
- DT updates
- Enable mkfwumdata compilation
- Enable meminfo command
- Switch to LWIP and enable HTTPS