CONFIG_MACH_NOMADIK_8815NHK is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
ST 8815 Nomadik Hardware Kit (evaluation board)
configname: CONFIG_MACH_NOMADIK_8815NHK
Linux Kernel Configuration
└─>Nomadik boards
└─>ST 8815 Nomadik Hardware Kit (evaluation board)