[SCSI] qla2xxx: Honor NVRAM port-down-retry-count settings.

Hardcoding the qlport_down_retry module-parameter
effectively disallowed any user-defined NVRAM setting to go
into effect.
Signed-off-by: NAndrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: NJames Bottomley <James.Bottomley@SteelEye.com>

drivers/scsi/qla2xxx/qla_os.c

@@ -36,7 +36,7 @@ module_param(ql2xlogintimeout, int, S_IRUGO|S_IRUSR);
 MODULE_PARM_DESC(ql2xlogintimeout,
 		"Login timeout value in seconds.");
 
-int qlport_down_retry = 30;
+int qlport_down_retry;
 module_param(qlport_down_retry, int, S_IRUGO|S_IRUSR);
 MODULE_PARM_DESC(qlport_down_retry,
 		"Maximum number of command retries to a port that returns "