amarisoft_rf_driver.cfg.tmpl: only set trx offset for B210

all other RF devices do not required any offset

Change-Id: Id4c5f0bede5b09d59237cdd6a959a3663f1a1b37

src/osmo_gsm_tester/templates/amarisoft_rf_driver.cfg.tmpl

@@ -14,8 +14,10 @@ rf_driver: {
 
 tx_gain: ${trx.tx_gain}, /* TX gain (in dB) B2x0: 0 to 89.8 dB */
 rx_gain: ${trx.rx_gain}, /* RX gain (in dB) B2x0: 0 to 73 dB */
-% if trx.rf_dev_type == 'zmq':
-tx_time_offset: 0,
-% else:
+
+// only the B210 requires a sample offset
+% if "b200" in trx.rf_dev_args:
 tx_time_offset: -150,
-% endif
+% else:
+tx_time_offset: 0,
+% endif