External mclk to audio interfaces can be routed via different gpios as per platform by configuring aud_ref_clk_sel mux. Add support in q6afe to expose new set_param from DSP. Change-Id: I0677877d2ad0cabdf00a7b213652db4b62f0d8b5 Signed-off-by: Abhilash Sathyanarayana <quic_abhisath@quicinc.com>