CONFIG_MACH_MICRO9L is not available for thedefaultarchitecture x86.
Result is shown for architecture arm

Support Contec Hypercontrol Micro9-L

configname: CONFIG_MACH_MICRO9L

Linux Kernel Configuration
└─>Cirrus EP93xx Implementation Options
└─>Support Contec Hypercontrol Micro9-L
In linux kernel since version 2.6.21 (release Date: 2007-04-25)  
Say 'Y' here if you want your kernel to support the
Contec Hypercontrol Micro9-L board.