CONFIG_MACH_MIOA701 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm

Mitac Mio A701 Support

modulename: mioa701.ko

configname: CONFIG_MACH_MIOA701

Linux Kernel Configuration
└─>PXA2xx/PXA3xx-based
└─>Intel PXA2xx/PXA3xx Implementations
└─>Mitac Mio A701 Support
In linux kernel since version 2.6.28 (release Date: 2008-12-24)  
Say Y here if you intend to run this kernel on a
MIO A701. Currently there is only basic support
for this PDA.

source code: