CONFIG_SH_MAGIC_PANEL_R2 is not available for thedefaultarchitecture x86.
Result is shown for architecture sh

Magic Panel R2

modulename: board-magicpanelr2.ko

configname: CONFIG_SH_MAGIC_PANEL_R2

Linux Kernel Configuration
└─>Board support
└─>Magic Panel R2
In linux kernel since version 2.6.24 (release Date: 2008-01-24)  
Select Magic Panel R2 if configuring for Magic Panel R2.

source code: