enb_{srs,amarisoft}: Support selecting tgz based on run_node's run label

Change-Id: Ie1c8ccd2ffc9680bd72159872f3de0d59f1b9b0b
diff --git a/src/osmo_gsm_tester/obj/enb_amarisoft.py b/src/osmo_gsm_tester/obj/enb_amarisoft.py
index c331cd8..8f624e6 100644
--- a/src/osmo_gsm_tester/obj/enb_amarisoft.py
+++ b/src/osmo_gsm_tester/obj/enb_amarisoft.py
@@ -76,7 +76,7 @@
         if self._bin_prefix is None:
             self._bin_prefix = os.getenv('AMARISOFT_PATH_ENB', None)
             if self._bin_prefix == None:
-                self._bin_prefix  = self.testenv.suite().trial().get_inst('amarisoftenb')
+                self._bin_prefix  = self.testenv.suite().trial().get_inst('amarisoftenb', self._run_node.run_label())
         return self._bin_prefix
 
     def cleanup(self):