default or selected kernelversion does not have config value CONFIG_SND_DM6467_SOC_EVM.
Result is shown for kernelversion 6.9.9

SoC Audio support for DaVinci DM6467 EVM

configname: CONFIG_SND_DM6467_SOC_EVM

Linux Kernel Configuration
└─>Device Drivers
└─>Sound card support
└─>Advanced Linux Sound Architecture
└─>ALSA for SoC audio support
└─>SoC Audio support for DaVinci DM6467 EVM
In linux kernel since version 2.6.32 (release Date: 2009-12-02)  
Say Y if you want to add support for SoC audio on TI