CONFIG_ARCH_WM8850 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
WonderMedia WM8850
configname: CONFIG_ARCH_WM8850
Linux Kernel Configuration
└─>WonderMedia WM8850
In linux kernel since version 3.1 (release Date: 2011-10-24)
Support for WonderMedia WM8850 System-on-Chip.