CONFIG_ARCH_MXC is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
Freescale MXC/iMX-based
configname: CONFIG_ARCH_MXC
ARM system type
└─>Freescale MXC/iMX-based
In linux kernel since version 2.6.23 (release Date: 2007-10-09)
Support for Freescale MXC/iMX-based family of processors
selects
CONFIG_GENERIC_CLOCKEVENTSCONFIG_ARCH_REQUIRE_GPIOLIB
CONFIG_CLKDEV_LOOKUP
CONFIG_CLKSRC_MMIO
CONFIG_GENERIC_IRQ_CHIP
CONFIG_HAVE_SCHED_CLOCK