CONFIG_ARCH_MX35 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm

CONFIG_ARCH_MX35 (not configurable)

modulename: clock-imx35.ko

configname: CONFIG_ARCH_MX35

Linux Kernel Configuration
└─>ARCH_MX35
In linux kernel since version 2.6.30 (release Date: 2009-06-09)  
source code:
arch/arm/mach-mx3/clock-imx35.c
depends
CONFIG_ARCH_MX3

is selected by
CONFIG_FEC