scsi: qedf: Fix up modinfo parameter name for 'debug' in modinfo output.

Because we were passing 'qedf_debug' instead of 'debug' to the
MODULE_PARM_DESC() macro, modinfo listed the parameter name as 'qedf_debug'
instead of it's proper name 'debug'.  Correct the parameter name.
Signed-off-by: Chad Dupuis <chad.dupuis@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/qedf/qedf_main.c

@@ -43,7 +43,7 @@ MODULE_PARM_DESC(dev_loss_tmo,  " dev_loss_tmo setting for attached "
 
 uint qedf_debug = QEDF_LOG_INFO;
 module_param_named(debug, qedf_debug, uint, S_IRUGO);
-MODULE_PARM_DESC(qedf_debug, " Debug mask. Pass '1' to enable default debugging"
+MODULE_PARM_DESC(debug, " Debug mask. Pass '1' to enable default debugging"
 	" mask");
 
 static uint qedf_fipvlan_retries = 30;