CONFIG_SOC_STIH416 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm

STiH416 STMicroelectronics Consumer Electronics family

configname: CONFIG_SOC_STIH416

Linux Kernel Configuration
└─>STMicroelectronics Consumer Electronics SOCs with Device Trees
└─>STiH416 STMicroelectronics Consumer Electronics family
In linux kernel since version 3.11 (release Date: 2013-09-02)  
This enables support for STMicroelectronics Digital Consumer
Electronics family StiH416 parts, primarily targetted at set-top-box
and other digital audio/video applications using Flattened Device
Trees.