dyn TS: rename lchan->dyn_pdch to lchan->dyn

This will also be used by the new dynamic TS type, so make the name more
general.

Change-Id: I2451b10519dff3e5cdf503b430574c0984d19000
diff --git a/openbsc/src/libbsc/abis_rsl.c b/openbsc/src/libbsc/abis_rsl.c
index b75c3f3..664b1a6 100644
--- a/openbsc/src/libbsc/abis_rsl.c
+++ b/openbsc/src/libbsc/abis_rsl.c
@@ -450,8 +450,8 @@
 	if (lchan->ts->pchan == GSM_PCHAN_TCH_F_PDCH
 	    && (lchan->ts->flags & TS_F_PDCH_ACTIVE)) {
 		/* store activation type and handover reference */
-		lchan->dyn_pdch.act_type = act_type;
-		lchan->dyn_pdch.ho_ref = ho_ref;
+		lchan->dyn.act_type = act_type;
+		lchan->dyn.ho_ref = ho_ref;
 		return rsl_ipacc_pdch_activate(lchan->ts, 0);
 	}
 
@@ -1262,8 +1262,8 @@
 	msg->lchan->ts->flags &= ~TS_F_PDCH_ACTIVE;
 	msg->lchan->ts->flags &= ~TS_F_PDCH_DEACT_PENDING;
 
-	rsl_chan_activate_lchan(msg->lchan, msg->lchan->dyn_pdch.act_type,
-				msg->lchan->dyn_pdch.ho_ref);
+	rsl_chan_activate_lchan(msg->lchan, msg->lchan->dyn.act_type,
+				msg->lchan->dyn.ho_ref);
 
 	return 0;
 }