CONFIG_MACH_SMARTQ5 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm

SmartQ 5

configname: CONFIG_MACH_SMARTQ5

Linux Kernel Configuration
└─>Samsung S3C64XX
└─>SmartQ 5
In linux kernel since version 2.6.35 (release Date: 2010-08-01)  
Machine support for the SmartQ 5