fix antenna, added command line template file

cmake_targets/iris-command.txt

+
+BS TDD:
+
+sudo -E ./lte-softmodem-nos1 -d -O /usr/git/openairinterface5g/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band38.tm1.iris030.tdd.conf --tx-sample-advance -40 2>&1
+
+UE TDD:
+
+sudo -E ./lte-softmodem-nos1  -U -T -C2580000000 -r25 --ue-txgain 52 --ue-rxgain 113 --rrh-remote-address 0118 -d -g 9 -G 0x75 --tx-sample-advance -40 >&1
+
+BS FDD:
+
+sudo -E ./lte-softmodem-nos1 -d -O /usr/git/openairinterface5g/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.tm1.iris030.conf --tx-sample-advance -40 2>&1
+
+UE FDD:
+
+sudo -E ./lte-softmodem-nos1  -U -C2660000000 -r25 --ue-txgain 52 --ue-rxgain 113 --rrh-remote-address 0118 -d -g 9 -G 0x75 --tx-sample-advance -40 >&1 
+

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

@@ -577,7 +577,7 @@ extern "C" {
 		    s->iris[r]->setGain(SOAPY_SDR_RX, i, openair0_cfg[0].rx_gain[i]-openair0_cfg[0].rx_gain_offset[i]);
 
 		    if (openair0_cfg[0].duplex_mode == 1 ) //duplex_mode_TDD
-			s->iris[r]->setAntenna(SOAPY_SDR_RX, i, (i==0)?"TRXA":"TRXB");			
+			s->iris[r]->setAntenna(SOAPY_SDR_RX, i, s->iris[r]->listAntennas(SOAPY_SDR_RX, i)[0]);			
 		    s->iris[r]->setDCOffsetMode(SOAPY_SDR_RX, i, true); // move somewhere else
 		}
 	    }