CONFIG_MXS_HAVE_PLATFORM_FEC is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
CONFIG_MXS_HAVE_PLATFORM_FEC (not configurable)
modulename: platform-fec.ko
configname: CONFIG_MXS_HAVE_PLATFORM_FEC
Linux Kernel Configuration
└─>MXS_HAVE_PLATFORM_FEC