CONFIG_MACH_EDB9301 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm

Support Cirrus Logic EDB9301

configname: CONFIG_MACH_EDB9301

Linux Kernel Configuration
└─>Cirrus EP93xx Implementation Options
└─>Support Cirrus Logic EDB9301
In linux kernel since version 2.6.31 (release Date: 2009-09-09)  
Say 'Y' here if you want your kernel to support the Cirrus
Logic EDB9301 Evaluation Board.