CONFIG_SOC_IMX27 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
i.MX27 support
modulename: cpu-imx27.ko
configname: CONFIG_SOC_IMX27
Linux Kernel Configuration
└─>Freescale i.MX family
└─>i.MX27 support
In linux kernel since version 2.6.36 (release Date: 2010-10-20)
This enables support for Freescale i.MX27 processor