Fixed Pinning of P1_19/P1_20 and fixed naming

Signed-off-by: Christian Ege <k4230r6@gmail.com>
Renamed SQW to INT

Signed-off-by: Christian Ege <k4230r6@gmail.com>
Fixed pinning

Signed-off-by: Christian Ege <k4230r6@gmail.com>