pcu_l1_if: ignore PDCH interference reports, do not log errors

Change-Id: I88e5c53131ee94bc3f3ff3f095077feb4ff272a7
Related: SYS#5313, OS#1569
diff --git a/src/pcu_l1_if.cpp b/src/pcu_l1_if.cpp
index 818cb1a..b35c990 100644
--- a/src/pcu_l1_if.cpp
+++ b/src/pcu_l1_if.cpp
@@ -992,6 +992,9 @@
 	case PCU_IF_MSG_APP_INFO_REQ:
 		rc = pcu_rx_app_info_req(bts, &pcu_prim->u.app_info_req);
 		break;
+	case PCU_IF_MSG_INTERF_IND:
+		/* TODO: handle interference reports */
+		break;
 	default:
 		LOGP(DL1IF, LOGL_ERROR, "Received unknown PCU msg type %d\n",
 			msg_type);