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

CONFIG_HAVE_EPIT (not configurable)

configname: CONFIG_HAVE_EPIT

Linux Kernel Configuration
└─>Freescale i.MX support
└─>HAVE_EPIT
In linux kernel since version 2.6.37 (release Date: 2011-01-04)  
depends
CONFIG_ARCH_MXC

is depended by
CONFIG_SOC_IMX35