CONFIG_FCC_DM9131 is not available for thedefaultarchitecture x86.
Result is shown for architecture ppc
default or selected kernelversion does not have config value CONFIG_FCC_DM9131.
Result is shown for kernelversion 5.4.123

DM9131

configname: CONFIG_FCC_DM9131

Type of PHY
└─>DM9131
In linux kernel since version 2.6.12