Prescaler was misplaced in pwm binding, instead of timers binding.
For example, TIM6/TIM7 doesn't have PWM capability,
but have a prescaler.
This change also prepares the introduction of timer based counter
(which requires prescaler at timer level)
Signed-off-by: Alexandre Bourdiol <alexandre.bourdiol@st.com>
This enables defines the usart2 on PD5, PD6 pins
of the nucleo stm32h723zg target board. Pins are available
on the CN9 pin6 & 4 of the MB1364 nucleo144
Signed-off-by: Francois Ramu <francois.ramu@st.com>