scsi: qedi: Protect active command list to avoid list corruption

Protect active command list for non-I/O commands like login response,
logout response, text response, and recovery cleanup of active list to
avoid list corruption.

Link: https://lore.kernel.org/r/20200908095657.26821-5-mrangankar@marvell.com


Signed-off-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Manish Rangankar <mrangankar@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>