qcacld-3.0: Avoid recovery during driver unloading

During wlan unloading, target failure is ignored, no recovery
will happen, refer function ol_target_failure

During wlan unloading, cds_cfg may be freed, can't get
cds_is_self_recovery_enabled state correctly

Change-Id: I321d4029f299ef2eb7a6316faaed90f62e091b4e
CRs-Fixed: 2224058
1 file changed