CONFIG_ETRAX_SDRAM_GRP0_CONFIG is not available for thedefaultarchitecture x86.
Result is shown for architecture cris
default or selected kernelversion does not have config value CONFIG_ETRAX_SDRAM_GRP0_CONFIG.
Result is shown for kernelversion 6.7-rc3



Linux Kernel Configuration
In linux kernel since version 2.6.13 (release Date: 2005-08-28)  
SDRAM configuration for group 0. The value depends on the
hardware configuration. The default value is suitable
for 32 MB organized as two 16 bits chips (e.g. Axis
part number 18550) connected as one 32 bit device (i.e. in
the same group).