CONFIG_MACH_PCM037_EET is not available for thedefaultarchitecture x86.
Result is shown for architecture arm

Support pcm037 EET board extensions

modulename: mach-pcm037_eet.ko

configname: CONFIG_MACH_PCM037_EET

Linux Kernel Configuration
└─>Freescale i.MX support
└─>Support pcm037 EET board extensions
In linux kernel since version 2.6.31 (release Date: 2009-09-09)  
Add support for PCM037 EET baseboard extensions. If you are using the
OLED display with EET, use "video=mx3fb:CMEL-OLED" kernel
command-line parameter.

source code:
arch/arm/mach-imx/mach-pcm037_eet.c