usrloc: added internal flag to be used for replication

- used by dmq_usrloc by now

modules/usrloc/usrloc.h

@@ -59,6 +59,7 @@ typedef enum cstate {
 typedef enum flags {
 	FL_NONE        = 0,          /*!< No flags set */
 	FL_MEM         = 1 << 0,     /*!< Update memory only */
+	FL_RPL         = 1 << 1,     /*!< DMQ replication */
 	FL_ALL         = (int)0xFFFFFFFF  /*!< All flags set */
 } flags_t;