CONFIG_SH_AP325RXA is not available for thedefaultarchitecture x86.
Result is shown for architecture sh

AP-325RXA

configname: CONFIG_SH_AP325RXA

Linux Kernel Configuration
└─>Board support
└─>AP-325RXA
In linux kernel since version 2.6.27 (release Date: 2008-10-09)  
Renesas "AP-325RXA" support.
Compatible with ALGO SYSTEM CO.,LTD. "AP-320A"