CONFIG_ARCH_EDB7211 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm

EDB7211

modulename: board-edb7211.ko

and/or

edb7211-arch.ko

configname: CONFIG_ARCH_EDB7211

Linux Kernel Configuration
└─>CLPS711X/EP721X Implementations
└─>EDB7211
In linux kernel since version 2.6.12  
Say Y here if you intend to run this kernel on a Cirrus Logic EDB-7211
evaluation board.

source code:
/arch/arm/mach-clps711x/