pcu: Fix DATA.ind with SAPI BCCH wrongly txed as PDTCH

This fixes failure of test TC_rim_ran_info_req_single_rep
It probably broke during some infra refactoring of the PCUIF_Components.

Change-Id: Idf9a38280abd6243cc9ef09fc7d033e515c5be15
diff --git a/pcu/PCUIF_Components.ttcn b/pcu/PCUIF_Components.ttcn
index 6a24ed6..be7aaeb 100644
--- a/pcu/PCUIF_Components.ttcn
+++ b/pcu/PCUIF_Components.ttcn
@@ -327,7 +327,11 @@
 
 	/* Enqueue DATA.ind and RTS.req messages */
 	[] TC.receive(tr_PCUIF_MSG(PCU_IF_MSG_DATA_IND, bts_nr)) -> value pcu_msg {
-		f_PCUIF_MsgQueue_enqueue(pdtch_data_queue, pcu_msg);
+		if (pcu_msg.u.data_ind.sapi == PCU_IF_SAPI_BCCH) {
+			PCUIF.send(pcu_msg); /* Forward directly ASAP */
+		} else {
+			f_PCUIF_MsgQueue_enqueue(pdtch_data_queue, pcu_msg);
+		}
 		repeat;
 		}
 	[] TC.receive(tr_PCUIF_RTS_REQ(bts_nr, sapi := PCU_IF_SAPI_PDTCH)) -> value pcu_msg {