[VOL-4676]:
Initial Framework for reading SFP capabilities by reading the EEPROM data.
Use the detected SFP data to derive the MAC and PON system mode.
Make the SFP EEPROM read mode configurable per platform through the
DYNAMIC_PON_TRX_SUPPORT '#define' defined in the platform vendor.h file.

Change-Id: I07d7763371d2f804a1e93ca38646b1a30198f8ee
diff --git a/agent/src/core_data.cc b/agent/src/core_data.cc
index bd83e81..da9c733 100644
--- a/agent/src/core_data.cc
+++ b/agent/src/core_data.cc
@@ -231,3 +231,6 @@
 // Read Rx optical power
 std::map<onu_rssi_compltd_key, Queue<onu_rssi_complete_result>*> onu_rssi_compltd_map;
 bcmos_fastlock onu_rssi_wait_lock;
+
+// PonTrx class object
+PonTrx ponTrx;