scsi: megaraid_sas: update can_queue only if the new value is less

Minor Optimization: No need to update HBA can_queue value if the current
max FW commands is equal to earlier value.
Signed-off-by: NKashyap Desai <kashyap.desai@broadcom.com>
Signed-off-by: NShivasharan S <shivasharan.srikanteshwara@broadcom.com>
Reviewed-by: NHannes Reinecke <hare@suse.com>
Reviewed-by: NTomas Henzl <thenzl@redhat.com>
Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/megaraid/megaraid_sas_fusion.c

@@ -259,7 +259,7 @@ megasas_fusion_update_can_queue(struct megasas_instance *instance, int fw_boot_c
 
 	if (fw_boot_context == OCR_CONTEXT) {
 		cur_max_fw_cmds = cur_max_fw_cmds - 1;
-		if (cur_max_fw_cmds <= instance->max_fw_cmds) {
+		if (cur_max_fw_cmds < instance->max_fw_cmds) {
 			instance->cur_can_queue =
 				cur_max_fw_cmds - (MEGASAS_FUSION_INTERNAL_CMDS +
 						MEGASAS_FUSION_IOCTL_CMDS);