Fix MAKEDEV for RocketPort (rp(4)) cuaR* and ttyR* to work with the updated driver.  The newer driver in current outputs a version string that contains a space, so we need to eat two words in between RocketPortX and the number of ports on the board.
Fix MAKEDEV for RocketPort (rp(4)) cuaR* and ttyR* to work with the
updated driver.  The newer driver in current outputs a version string
that contains a space, so we need to eat two words in between RocketPortX
and the number of ports on the board.

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