More Japan regulatory domain fixes:
More Japan regulatory domain fixes:

* Add HT40 entries for the two new Japan bands
* Fix a channel separation bug in one of the new bands I introduced
  in a previous commit.

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase