srsenb_drb.conf.tmpl: set PDCP discard timer to 150ms for QCI9

srsENB now supports PDCP discard so we set it to a sane value.
Also enable status reporting for UL.

Change-Id: Ib6ad0ff57b95a1f220f87c1ede0f6eacc5fb21ff
diff --git a/src/osmo_gsm_tester/templates/srsenb_drb.conf.tmpl b/src/osmo_gsm_tester/templates/srsenb_drb.conf.tmpl
index b10ef31..a171a5e 100644
--- a/src/osmo_gsm_tester/templates/srsenb_drb.conf.tmpl
+++ b/src/osmo_gsm_tester/templates/srsenb_drb.conf.tmpl
@@ -72,8 +72,8 @@
 {
   qci=9;
   pdcp_config = {
-    discard_timer = -1;
-    status_report_required = false;
+    discard_timer = 150;
+    status_report_required = true;
   }
   rlc_config = {
     ul_am = {