CONFIG_ARCH_TCC_926 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
default or selected kernelversion does not have config value CONFIG_ARCH_TCC_926.
Result is shown for kernelversion 6.2.5

Telechips TCC ARM926-based systems

configname: CONFIG_ARCH_TCC_926

ARM system type
└─>Telechips TCC ARM926-based systems
In linux kernel since version 2.6.37 (release Date: 2011-01-04)  
Support for Telechips TCC ARM926-based systems.