suzuran: audio: Changed file mixer_paths.xml to reduce echo while making phone calls.

    <!-- Gain offset target for dmic1 unit calibration -->

    <path name="dmic1-adj-gain">

        <ctl name="DEC7 Volume" value="84" />

        <ctl name="DEC7 Volume" value="87" />

    </path>

    <!-- Gain offset target for dmic2 unit calibration -->

    <path name="dmic2-adj-gain">

        <ctl name="DEC9 Volume" value="84" />

        <ctl name="DEC9 Volume" value="81" />

    </path>

    <path name="dmic1">