flesh out the devd.conf man page...  Mostly from the PR, but did a couple gramatical tweaks along w/ sorting the list, and adding that serial is available for USB....
flesh out the devd.conf man page...  Mostly from the PR, but did a couple
gramatical tweaks along w/ sorting the list, and adding that serial is
available for USB....

PR:		85097
Submitted by:	Fredrik Lindberg
MFC after:	1 week

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