CONFIG_WILDFIREMOD is not available for thedefaultarchitecture x86.
Result is shown for architecture m68k

Intec Automation Inc. WildFire module support

configname: CONFIG_WILDFIREMOD

Linux Kernel Configuration
└─>Intec Automation Inc. WildFire module support
In linux kernel since version 2.6.23 (release Date: 2007-10-09)  
Support for the Intec Automation Inc. WildFire module.

depends
CONFIG_M528x