CONFIG_ARCH_DAVINCI_DA830 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm

DA830/OMAP-L137 based system

modulename: da830.ko

configname: CONFIG_ARCH_DAVINCI_DA830

Linux Kernel Configuration
└─>TI DaVinci Implementations
└─>DA830/OMAP-L137 based system
In linux kernel since version 2.6.32 (release Date: 2009-12-02)  
source code:
/arch/arm/mach-davinci/