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

Coyote

modulename: coyote-setup.ko

configname: CONFIG_ARCH_ADI_COYOTE

Linux Kernel Configuration
└─>Intel IXP4xx Implementation Options
└─>Coyote
In linux kernel since version 2.6.12  
Say 'Y' here if you want your kernel to support the ADI
Engineering Coyote Gateway Reference Platform. For more
information on this platform, see <file:Documentation/arm/ixp4xx.rst>.

source code:
arch/arm/mach-ixp4xx/coyote-setup.c