configs: msmnile: change max mic count

        <!-- followed by perf lock options                             -->

        <param key="perf_lock_opts" value="4, 0x40400000, 0x1, 0x40C00000, 0x1"/>

        <param key="native_audio_mode" value="src"/>

        <param key="input_mic_max_count" value="4"/>

        <param key="input_mic_max_count" value="3"/>

        <param key="true_32_bit" value="true"/>

        <!-- In the below value string, the value indicates sidetone gain in dB -->

        <param key="usb_sidetone_gain" value="35"/>