brcm_fw_tool: need to print active bank only for verbose.

Otherwise the expected printouts are wrong for sysupgrade.

brcm_fw_tool/image-ubi.c

@@ -802,7 +802,7 @@ static int meta_manage_vols(int readonly, int forcedBank)
 	}
 
 	if(readonly) {
-		if(metaInfos[highMeta].flashBank >= 0) {
+		if(verbose && metaInfos[highMeta].flashBank >= 0) {
 			printf("Active flash bank %d\n", metaInfos[highMeta].flashBank);	// Keep the string! It is parsed by others.
 		}