default or selected kernelversion does not have config value CONFIG_SND_OMAP_SOC_MCPDM.
Result is shown for kernelversion 6.9.9

CONFIG_SND_OMAP_SOC_MCPDM (not configurable)

modulename: snd-soc-omap-mcpdm.ko

configname: CONFIG_SND_OMAP_SOC_MCPDM

Linux Kernel Configuration
└─>Device Drivers
└─>Sound card support
└─>Advanced Linux Sound Architecture
└─>ALSA for SoC audio support
└─>SND_OMAP_SOC_MCPDM
In linux kernel since version 2.6.34 (release Date: 2010-05-16)  
source code: