Add the necessary hooks to the aic94xx driver to support the asynchronous SCSI
device scan infrastructure.
Signed-off-by: NDarrick J. Wong <djwong@us.ibm.com>
Signed-off-by: NMatthew Wilcox <matthew@wil.cx>
Signed-off-by: NJames Bottomley <James.Bottomley@SteelEye.com>