Use osmo_tdef to implement T3190

Change-Id: I0c767c526398d98ca47ef98fdaccfc23af11fb0d
diff --git a/src/bts.cpp b/src/bts.cpp
index 2600d72..ae6117e 100644
--- a/src/bts.cpp
+++ b/src/bts.cpp
@@ -79,6 +79,7 @@
 static struct osmo_tdef T_defs_pcu[] = {
 	{ .T=1,     .default_val=30,  .unit=OSMO_TDEF_S,  .desc="BSSGP (un)blocking procedures timer (s)",  .val=0 },
 	{ .T=2,     .default_val=30,  .unit=OSMO_TDEF_S,  .desc="BSSGP reset procedure timer (s)",          .val=0 },
+	{ .T=3190,  .default_val=5,   .unit=OSMO_TDEF_S,  .desc="Return to packet idle mode after Packet DL Assignment on CCCH (s)", .val=0},
 	{ .T=-2000, .default_val=2,   .unit=OSMO_TDEF_MS, .desc="Tbf reject for PRR timer (ms)",            .val=0 },
 	{ .T=-2001, .default_val=2,   .unit=OSMO_TDEF_S,  .desc="PACCH assignment timer (s)",               .val=0 },
 	{ .T=-2002, .default_val=200, .unit=OSMO_TDEF_MS, .desc="Waiting after IMM.ASS confirm timer (ms)", .val=0 },