The LIS3MDL driver handles DRDY interrupt only. So connect
trigger to the DRDY pin instead of the INT pin.
Signed-off-by: Armando Visconti <armando.visconti@st.com>
Update shield description and sample to allow testing of LIS3MDL
sensor IRQ pin.
Update sample yaml file to state dependency on arduino_gpio.
Additionally, fix redundant line in sample yaml
Signed-off-by: Erwan Gouriou <erwan.gouriou@linaro.org>