FBF:mixer_table: mic soft gain config for O6/R4/W3/Slider

Add mic1 ~ mic4 soft gain configuration

    <path name="mic1-sw-gain">
        <ctl name="MIC Record Soft Gain (dB)" />
    </path>
            :
            :
    <path name="mic4-sw-gain">
        <ctl name="MIC Record Soft Gain (dB)" />
    </path>

Bug: 190822301

Test: build pass

Change-Id: Ia5f35fff6cea22d6dfafa8c76e50d3e16cacbbcf
4 files changed