CONFIG_MACH_SMARTQ7 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm

SmartQ 7

configname: CONFIG_MACH_SMARTQ7

Linux Kernel Configuration
└─>Samsung S3C64XX (deprecated, see help)
└─>SmartQ 7
In linux kernel since version 2.6.35 (release Date: 2010-08-01)  
Machine support for the SmartQ 7