CONFIG_MACH_APF9328 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
APF9328
modulename: mach-apf9328.ko
configname: CONFIG_MACH_APF9328
Linux Kernel Configuration
└─>APF9328
In linux kernel since version 3 (release Date: 2011-07-21)
Say Yes here if you are using the Armadeus APF9328 development board