enb: add rx_ant param

Change-Id: Iada98fce3608808914562d9f7e2af2c230e03cae
diff --git a/src/osmo_gsm_tester/obj/enb.py b/src/osmo_gsm_tester/obj/enb.py
index 80f7b6e..252fa14 100644
--- a/src/osmo_gsm_tester/obj/enb.py
+++ b/src/osmo_gsm_tester/obj/enb.py
@@ -34,6 +34,7 @@
         'tdd_uldl_config': schema.UINT,
         'tdd_special_subframe_pattern': schema.UINT,
         'transmission_mode': schema.LTE_TRANSMISSION_MODE,
+        'rx_ant': schema.STR,
         'tx_gain': schema.UINT,
         'rx_gain': schema.UINT,
         'rf_dev_type': schema.STR,
diff --git a/src/osmo_gsm_tester/obj/enb_amarisoft.py b/src/osmo_gsm_tester/obj/enb_amarisoft.py
index 01aed18..65c94dd 100644
--- a/src/osmo_gsm_tester/obj/enb_amarisoft.py
+++ b/src/osmo_gsm_tester/obj/enb_amarisoft.py
@@ -227,6 +227,7 @@
                                              rf_dev_sync=values['enb'].get('rf_dev_sync', None),
                                              rx_gain=values['enb'].get('rx_gain', None),
                                              tx_gain=values['enb'].get('tx_gain', None),
+                                             rx_ant=values['enb'].get('rx_ant', None),
                                             )))
 
         self.gen_conf = values