CONFIG_MACH_IMX27_VISSTRIM_M10 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm

Vista Silicon i.MX27 Visstrim_m10

modulename: mach-imx27_visstrim_m10.ko

configname: CONFIG_MACH_IMX27_VISSTRIM_M10

Linux Kernel Configuration
└─>Freescale i.MX family
└─>Vista Silicon i.MX27 Visstrim_m10
In linux kernel since version 2.6.37 (release Date: 2011-01-04)  
Include support for Visstrim_m10 platform and its different variants.
This includes specific configurations for the board and its
peripherals.

source code:
arch/arm/mach-imx/mach-imx27_visstrim_m10.c