amarisoft_enb.cfg.tmpl: increas threshold for failed UL retransmissions

this avoids the eNB from releasing the UE too early if the UL channel
stays very bad for a longer time but many PUSCH are scheduled

Change-Id: Ib82616e920eecc70fbded12433e54bd90ae1bcd4
diff --git a/src/osmo_gsm_tester/templates/amarisoft_enb.cfg.tmpl b/src/osmo_gsm_tester/templates/amarisoft_enb.cfg.tmpl
index f46b77e..18a37c4 100644
--- a/src/osmo_gsm_tester/templates/amarisoft_enb.cfg.tmpl
+++ b/src/osmo_gsm_tester/templates/amarisoft_enb.cfg.tmpl
@@ -206,6 +206,7 @@
     mac_config: {
        ul_max_harq_tx: 5, /* max number of HARQ transmissions for uplink */
        dl_max_harq_tx: 5, /* max number of HARQ transmissions for downlink */
+       ul_max_consecutive_retx: 1000,
     },
 
     /* CPU load limitation */