CONFIG_MACH_KZM9D is not available for thedefaultarchitecture x86.
Result is shown for architecture arm

KZM9D board

modulename: board-kzm9d-reference.ko

configname: CONFIG_MACH_KZM9D

Linux Kernel Configuration
└─>KZM9D board
In linux kernel since version 3.1 (release Date: 2011-10-24)  
source code:
arch/arm/mach-shmobile/board-kzm9d-reference.c