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

OMAP 2420 Apollon board

modulename: board-apollon.ko

configname: CONFIG_MACH_OMAP_APOLLON

Linux Kernel Configuration
└─>OMAP 2420 Apollon board
In linux kernel since version 2.6.17 (release Date: 2006-06-17)  
source code:
/arch/arm/mach-omap2/board-apollon.c

depends
CONFIG_ARCH_OMAP2 |
| CONFIG_ARCH_OMAP2PLUS