Merge tag 'u-boot-stm32-20251117' of https://source.denx.de/u-boot/custodians/u-boot-stm

CI: https://source.denx.de/u-boot/custodians/u-boot-stm/-/pipelines/28392

dhelectronics:
  - Move dh_add_item_number_and_serial_to_env() to common code
  - Read values from M24256 write-lockable page on STM32MP13xx DHCOR
  - Add MAC address readout from fuses on DH STM32MP1 DHSOM
  - Keep the reg11 and reg18 regulators always enabled on STM32MP13xx DHCOR.
  - Fix boot for stm32mp15xx-dhsom.
  - Fix build of ST DFU virt code on DH STM32MP1 DHSOM
  - Introduce DH STM32MP13x target.

STM32MP2:
  - Add support for stm32mp257-dk board.
  - Fix arm, smc-id value for stm32mp23/25.
  - Fix stm32mp235f-dk boot (add syscon compatible, add txbyteclk).
  - Add display support:
    - Introduce LVDS driver.
    - Add LTDC support.
  -  Add Ethernet support for stm32mp255.

STM32MP13:
  - Add ADC support.
  - Add power check for stm32mp135f-dk board.