PCUIF_CodecPort: mention channel (PCH) in log lines

Related: OS#5927
Change-Id: I8a304acfc8894e6b31617756f43632a9c4dd5d23
diff --git a/library/PCUIF_CodecPort.ttcn b/library/PCUIF_CodecPort.ttcn
index 0f850e9..8824a11 100644
--- a/library/PCUIF_CodecPort.ttcn
+++ b/library/PCUIF_CodecPort.ttcn
@@ -174,7 +174,7 @@
 			setverdict(fail, "expecting tr_PCUIF_DATA_CNF_DT in PCUIF v.11 or later");
 			mtc.stop;
 		} else {
-			log("IMM.ASS was sent on fn ", sd.data.u.data_cnf.fn);
+			log("IMM.ASS was sent on PCH at fn ", sd.data.u.data_cnf.fn);
 			return sd.data.u.data_cnf.fn;
 		}
 		}
@@ -183,13 +183,13 @@
 			setverdict(fail, "expecting tr_PCUIF_DATA_CNF in PCUIF v.10 or earlier");
 			mtc.stop;
 		} else {
-			log("IMM.ASS was sent on fn ", sd.data.u.data_cnf_dt.fn);
+			log("IMM.ASS was sent on PCH at fn ", sd.data.u.data_cnf_dt.fn);
 			return sd.data.u.data_cnf_dt.fn;
 		}
 		}
 	[] pt.receive { repeat; }
 	[] T.timeout {
-		setverdict(fail, "Timeout waiting for PCU DATA.cnf");
+		setverdict(fail, "Timeout waiting for PCU DATA.cnf (PCH)");
 		mtc.stop;
 		}
 	}