Add pin for sonic tx
Add pin for sonic tx

thetransformerr/beagle-sonic,Visaoni/beagle-sonic-anemometer,Visaoni/beagle-sonic-anemometer,thetransformerr/beagle-sonic,thetransformerr/beagle-sonic,Visaoni/beagle-sonic-anemometer,thetransformerr/beagle-sonic