CONFIG_ARCH_EMEV2 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm

Emma Mobile EV2

modulename: setup-emev2.ko

and/or

kzm9d.ko

configname: CONFIG_ARCH_EMEV2

Linux Kernel Configuration
└─>Renesas ARM SoCs
└─>Emma Mobile EV2
In linux kernel since version 3.1 (release Date: 2011-10-24)  
source code:
arch/arm/mach-shmobile/setup-emev2.c


is selected by
CONFIG_PINCTRL_PFC_EMEV2