CONFIG_ETRAX_MEM_GRP2_CONFIG is not available for thedefaultarchitecture x86.
Result is shown for architecture cris
default or selected kernelversion does not have config value CONFIG_ETRAX_MEM_GRP2_CONFIG.
Result is shown for kernelversion 6.7-rc3

MEM_GRP2_CONFIG

configname: CONFIG_ETRAX_MEM_GRP2_CONFIG

Linux Kernel Configuration
└─>MEM_GRP2_CONFIG
In linux kernel since version 2.6.13 (release Date: 2005-08-28)  
Waitstates for SRAM. 0 is a good choice for most Axis products.