ASoC: codecs: wcd937x: Remove the string compare in MIC BIAS widget settings

Remove the string compare with widget name in MIC BIAS settings, instead
of string compare use the MIC BIAS id's.

Reported-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Closes: https://lore.kernel.org/linux-sound/ba911ebd-aef5-46af-ace1-84d13bee6876@linaro.org/
Signed-off-by: Mohammad Rafi Shaik <quic_mohs@quicinc.com>
Link: https://patch.msgid.link/20240704081723.3394153-3-quic_mohs@quicinc.com
Signed-off-by: Mark Brown <broonie@kernel.org>