LPC55xx: Fix regression caused by naming error.
LPC55xx: Fix regression caused by naming error.

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