tests: drivers: dac loopback on stm32wl55jc nucleo board

define DAC1 output1 on PA10 (ARD connector A2)
define ADC1 in1 on PB14 (ARD connector A4)
connect A2 to A4 on the nucleo target board (CN8)

Signed-off-by: Francois Ramu <francois.ramu@st.com>
3 files changed