dts: bindings: introduce a new stm32 vbat  monitor as a sensor
dts: bindings: introduce a new stm32 vbat  monitor as a sensor

This new DTS Node is defining a ratio for Vbat internal
bridge of monitoring sensor connected
to a ADC internal channel. The voltage reference value
is given by the ADC of the stm32.

Signed-off-by: Francois Ramu <b83adc7f8a23ee911a37fcb61c4033581aae0b7a@st.com>

finikorg/zephyr,finikorg/zephyr,galak/zephyr,finikorg/zephyr,zephyrproject-rtos/zephyr,galak/zephyr,galak/zephyr,zephyrproject-rtos/zephyr,zephyrproject-rtos/zephyr,finikorg/zephyr,zephyrproject-rtos/zephyr,galak/zephyr,zephyrproject-rtos/zephyr,galak/zephyr,finikorg/zephyr