Merge changes I2c9aecc9,Ie6a019f4,Ief6f0a63,Iec9c80f2 into integration

* changes:
  fdts: stm32mp1: add support for the Seeed Odyssey SoM and board
  fdts: stm32mp1: add alternative SDMMC2 pins to the pinctrl
  fdts: stm32mp1: add I2C2 pins in the pinctrl
  fdts: stm32mp1: add the I2C2 peripheral in the SoC DTS