LMS_Device: Set ts_offset to 0.

I'm not quite sure what the ts_offset is for, but by using "0"
we are now receiving exactly the timestamp that we're expecting:

LMSDevice.cpp:486 [tid=140576250332928] chan 0 recv buffer of len 2500 expect 305ed0 got 305ed0 (305ed0) diff=0

Change-Id: I270c94945b1af9662cfc468cfda1ae3af3ac0a27
diff --git a/Transceiver52M/device/lms/LMSDevice.cpp b/Transceiver52M/device/lms/LMSDevice.cpp
index 9cfa96d..5f25da5 100644
--- a/Transceiver52M/device/lms/LMSDevice.cpp
+++ b/Transceiver52M/device/lms/LMSDevice.cpp
@@ -131,7 +131,8 @@
 		goto out_close;
 	LOG(DEBUG) << "Sample Rate: Host=" << sr_host << " RF=" << sr_rf;
 	/* FIXME: make this device/model dependent, like UHDDevice:dev_param_map! */
-	ts_offset = static_cast<TIMESTAMP>(8.9e-5 * GSMRATE);
+	//ts_offset = static_cast<TIMESTAMP>(8.9e-5 * GSMRATE);
+	ts_offset = 0;
 
 	switch (ref) {
 	case REF_INTERNAL: