- Back out Luoqi's cdevsw stuff. It panics on my system and is not required. - Fix an error message. - Do the MFS_ROOT setting of mountrootfsname in mfs_init() instead of   cpu_rootconf(). - Set rootdev in mfs_init instead of later in mfs_mount() iff MFS_ROOT.
- Back out Luoqi's cdevsw stuff. It panics on my system and is not required.
- Fix an error message.
- Do the MFS_ROOT setting of mountrootfsname in mfs_init() instead of
  cpu_rootconf().
- Set rootdev in mfs_init instead of later in mfs_mount() iff MFS_ROOT.

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