srsenb_rr.conf: add PCI, TAC and root_seq_idx as cell param

make sure to insert cell specific TAC, PCI and root seq ind
into cell config and do not depend on cell index for a particular
enb. This causes issues in multi-eNB setups.

Change-Id: I6642128a449a0562dd23f7fa393ff48ae2503006
diff --git a/src/osmo_gsm_tester/templates/srsenb_rr.conf.tmpl b/src/osmo_gsm_tester/templates/srsenb_rr.conf.tmpl
index 3bb2c8c..ff51bfd 100644
--- a/src/osmo_gsm_tester/templates/srsenb_rr.conf.tmpl
+++ b/src/osmo_gsm_tester/templates/srsenb_rr.conf.tmpl
@@ -59,9 +59,9 @@
   {
     rf_port = ${cell.rf_port};
     cell_id = ${cell.cell_id};
-    tac = 0x0007;
-    pci = ${loop.index + 1};
-    root_seq_idx = ${loop.index + 204};
+    tac = ${cell.tac};
+    pci = ${cell.pci};
+    root_seq_idx = ${cell.root_seq_idx};
     dl_earfcn = ${cell.dl_earfcn};
     //ul_earfcn = 20850;
     ho_active = true;