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