CONFIG_SH_SECUREEDGE5410 is not available for thedefaultarchitecture x86.
Result is shown for architecture sh

SecureEdge5410

modulename: board-secureedge5410.ko

and/or

fixups-snapgear.ko

and/or

ops-snapgear.ko

configname: CONFIG_SH_SECUREEDGE5410

Linux/SuperH Kernel Configuration
└─>System type
└─>Board support
└─>SecureEdge5410
In linux kernel since version 2.6.12  
Select SecureEdge5410 if configuring for a SnapGear SH board.
This includes both the OEM SecureEdge products as well as the
SME product line.

source code: