[SCSI] host state model update: replace old host bitmap state

Migrate the current SCSI host state model to a model like SCSI
device is using.

Signed-off-by: Mike Anderson <andmike@us.ibm.com>

Rejections fixed up and

Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
8 files changed