qla2xxx: Retry switch command on time out

qla2xxx: Retry switch command on time out

Orabug: 27235104

Retry GID_PN & GPN_ID switch commands for time out case.

Fixes: 726b85487067d ("qla2xxx: Add framework for async fabric discovery")
Cc: <stable@vger.kernel.org> # 4.10+
Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
[ Upstream commit 25ad76b703d9ad536f3411b15b1070aeb059ab55 ]
Signed-off-by: Somasundaram Krishnasamy <somasundaram.krishnasamy@oracle.com>
Reviewed-by: Jack Vogel <jack.vogel@oracle.com>