Merge tag 'u-boot-stm32-20211130' of https://source.denx.de/u-boot/custodians/u-boot...

- add nor1 device support for DFU command
- remove CONFIG_STM32_IPCC from stm32mp15 defconfigs
- enable simple framebuffer node for splashscreen for stm32mp1
- use lower-case hex for address for stm32 MCU and MPU's device tree
- define LOG_CATEGORY for stmfx pinctrl driver
- add support for probing bus voltage level translator
- add custom PHY reset bindings on AV96
- enable KSZ90x1 PHY driver on DHCOR
- stm32mp1 DDR update:
  - add DDR read data eye training
  - remove DDR calibration result
  - remove DDR tuning support
  - compute DDR size from DDRCTL registers
- DHSOM boards:
  - increase USB power-good delay
  - add update_sf script to install U-Boot into SF
  - increase PHY auto-negotiation timeout to 20 seconds
  - fix SoM and board coding strap GPIO handling
  - auto-detect uSD level translator