dsp: add VPM_TX_SM_ECNS_COPP_TOPOLOGY for single mic ecns

In order to select sample rate, add check for SM_ECNS
topology to provide backward compatibility.

Change-Id: If722e34ec4ccb224b1b28cfa7df0b10674bf7dba
Signed-off-by: Bala Kishore Pati <balakishorepati@codeaurora.org>
diff --git a/dsp/q6adm.c b/dsp/q6adm.c
index 74a9244..790cd56 100644
--- a/dsp/q6adm.c
+++ b/dsp/q6adm.c
@@ -2624,6 +2624,7 @@
 	}
 
 	if ((topology == VPM_TX_SM_ECNS_V2_COPP_TOPOLOGY) ||
+	    (topology == VPM_TX_SM_ECNS_COPP_TOPOLOGY) ||
 	    (topology == VPM_TX_DM_FLUENCE_COPP_TOPOLOGY) ||
 	    (topology == VPM_TX_DM_RFECNS_COPP_TOPOLOGY))
 		rate = 16000;