qla4xxx: Don't recover adapter if device state is FAILED

qla4xxx: Don't recover adapter if device state is FAILED

Multiple reset request don't get handled correctly as
the driver tries to recover adapter which is in FAILED state.

Jira Key: IUEKR2ISCSI-4

Signed-off-by: Sarang Radke <sarang.radke@qlogic.com>
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Signed-off-by: Tej Parkash <tej.parkash@qlogic.com>
Signed-off-by: Chuck Anderson <chuck.anderson@oracle.com>