transceiver: Add an option to emulate a RACH delay in random filler mode.

Signed-off-by: Tom Tsou <tom.tsou@ettus.com>
diff --git a/Transceiver52M/Transceiver.h b/Transceiver52M/Transceiver.h
index 99db34d..f6f4526 100644
--- a/Transceiver52M/Transceiver.h
+++ b/Transceiver52M/Transceiver.h
@@ -54,7 +54,7 @@
   ~TransceiverState();
 
   /* Initialize a multiframe slot in the filler table */
-  bool init(int filler, size_t sps, float scale, size_t rtsc);
+  bool init(int filler, size_t sps, float scale, size_t rtsc, unsigned rach_delay);
 
   int chanType[8];
 
@@ -107,7 +107,7 @@
   ~Transceiver();
 
   /** Start the control loop */
-  bool init(int filler, size_t rtsc);
+  bool init(int filler, size_t rtsc, unsigned rach_delay);
 
   /** attach the radioInterface receive FIFO */
   bool receiveFIFO(VectorFIFO *wFIFO, size_t chan)