arm: dts: stm32mp15: alignment with v5.13

arm: dts: stm32mp15: alignment with v5.13

Device tree alignment with Linux kernel v5.13
- ARM: dts: stm32: Add PTP clock to Ethernet controller
- ARM: dts: stm32: enable the analog filter for all I2C nodes in
  stm32mp151
- ARM: dts: stm32: fix usart 2 & 3 pinconf to wake up with flow control
- ARM: dts: stm32: Add wakeup management on stm32mp15x UART nodes
- ARM: dts: stm32: add #clock-cells property to usbphyc node on stm32mp151
- ARM: dts: stm32: Add STM32MP1 I2C6 SDA/SCL pinmux
- ARM: dts: stm32: Rename mmc controller nodes to mmc@
- ARM: dts: stm32: Add additional init state for SDMMC1 pins

Signed-off-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>