added tcp mode to iris init, fixed iris tdd conf

targets/ARCH/IRIS/USERSPACE/LIB/iris_lib.cpp

@@ -476,7 +476,7 @@ extern "C" {
 	while (srl != NULL)
 	{
 	    LOG_I(HW,"Attempting to open Iris device: %s\n", srl);
-	    std::string args = "driver="+std::string(drvtype)+",serial="+std::string(srl);
+	    std::string args = "driver="+std::string(drvtype)+",serial="+std::string(srl)+",remote:prot=tcp";
 	    s->iris.push_back(SoapySDR::Device::make(args));
 	    srl = strtok(NULL, ",");
 	}

targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band38.tm1.iris030.tdd.conf

@@ -146,7 +146,7 @@ eNBs =
 
 rrh_gw_config = ({			  
     local_if_name = "eth0";			  
-    remote_address = "0212";	
+    remote_address = "remote,0212";	
     local_address = "10.224.20.40";
     local_port = 50000;	    #for raw option local port must be the same to remote	       
     remote_port = 50000; 
@@ -156,8 +156,9 @@ rrh_gw_config = ({
     iq_txshift = 4;
     tx_sample_advance = 60;	
     tx_scheduling_advance = 9; 	                
-                             
-});  
+    if_compression = "alaw";                         
+}
+);  
 
     NETWORK_INTERFACES :
     {