DP: Set TRNMODE and MASKLANE when powering up and down.
DP: Set TRNMODE and MASKLANE when powering up and down.

mesheven/pyOCD,flit/pyOCD,mbedmicro/pyOCD,flit/pyOCD,mesheven/pyOCD,mbedmicro/pyOCD,mesheven/pyOCD,mbedmicro/pyOCD,pyocd/pyOCD,pyocd/pyOCD