dsp: adm: change channel number for FLUENCE_SM module

FLUENCE_SM module in COPreP topology doesn't support
stereo input. Update channel number to mono for
VPM_TX_VOICE_FLUENCE_SM_COPP_TOPOLOGY.

Change-Id: I7de7b49706387b09031f67e1a0271db1825cb81d
Signed-off-by: Kunlei Zhang <kunleiz@codeaurora.org>
2 files changed