CONFIG_MACH_MX27_3DS is not available for thedefaultarchitecture x86.
Result is shown for architecture arm

MX27PDK platform

modulename: mach-mx27_3ds.ko

configname: CONFIG_MACH_MX27_3DS

Linux Kernel Configuration
└─>MX27PDK platform
In linux kernel since version 2.6.31 (release Date: 2009-09-09)  
Include support for MX27PDK platform. This includes specific
configurations for the board and its peripherals.

source code:
arch/arm/mach-imx/mach-mx27_3ds.c