Simplifies the TivaDCC code by removing some of the differences between the Tiva and the CC32xx version.
Simplifies the TivaDCC code by removing some of the differences between the Tiva and the CC32xx version.

bakerstu/openmrn,bakerstu/openmrn,bakerstu/openmrn,bakerstu/openmrn,bakerstu/openmrn,bakerstu/openmrn