CONFIG_PLAT_SAMSUNG is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
CONFIG_PLAT_SAMSUNG (not configurable)
modulename: gpio-samsung.ko
configname: CONFIG_PLAT_SAMSUNG
Linux Kernel Configuration
└─>PLAT_SAMSUNG
In linux kernel since version 2.6.33 (release Date: 2010-02-24)
Base platform code for all Samsung SoC based systems