From: Jeff Garzik <jgarzik@pobox.com>

This patch removes the busyq in aic79xx and uses the command-queue from 
the midlayer instead. Additionally some dead code is removed.
Signed-off-by: NHannes Reinecke <hare@suse.de>

Fixed rejections
Signed-off-by: NJames Bottomley <James.Bottomley@SteelEye.com>