Merge tag 'xilinx-for-v2021.10-rc3' of https://gitlab.denx.de/u-boot/custodians/u...

Merge tag 'xilinx-for-v2021.10-rc3' of https://gitlab.denx.de/u-boot/custodians/u-boot-microblaze

Xilinx changes for v2021.10-rc3

xilinx:
- Disable CONFIG_ARCH_FIXUP_FDT_MEMORY
- Print information about cpu via soc drivers and enable DISPLAY_CPUINFO
- Wire infrastructure for DTB_RESELECT and MULTI_DTB_FIT

zynq:
- Wire single QSPI
- Use power-source instead of io-standard properties
- Enable nor on zc770-xm012

zynqmp:
- Change handling around multi_boot()
- Setup offset for u-boot.itb in spi
- Generate run time dfu_alt_info for capsule update
- Use explicit values for enums (zynqmp_firmware.h)
- Enable RTC/SHA1/BUTTON/BUTTON_GPIO command
- Disable WDT driver by default
- Bind usb/scsi via preboot because of EFI
- DT updates/fixes
- Add soc driver
- Fix SPL SPI boot mode

versal:
- Add soc driver

sdhci:
- Update tap delay programming for zynq_sdhci driver

cmd:
- Fix RTC uclass handling in date command
- Update pwm help message
- Update reset help message

watchdog:
- Fix wwdt compilation

rtc:
- Deal with seq alias in rtc uclass
- Add zynqmp RTC driver

fdt:
- Add kernel-doc for fdt_fixup_memory_banks()