ASoC: Intel: sof_rt5682: add missing MAX98357A config

sof_rt5682 supports MAX98357A/MAX98360A amp. Select SND_SOC_MAX98357A
as needed.
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20240426152529.38345-8-pierre-louis.bossart@linux.intel.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/intel/boards/Kconfig

@@ -486,6 +486,7 @@ config SND_SOC_INTEL_SOF_RT5682_MACH
 	depends on ((SND_HDA_CODEC_HDMI && SND_SOC_SOF_HDA_AUDIO_CODEC) &&\
 		    (MFD_INTEL_LPSS || COMPILE_TEST)) ||\
 		   (SND_SOC_SOF_BAYTRAIL && (X86_INTEL_LPSS || COMPILE_TEST))
+	select SND_SOC_MAX98357A
 	select SND_SOC_MAX98373_I2C
 	select SND_SOC_MAX98390
 	select SND_SOC_RT1011