CONFIG_SOC_OMAP3430 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
OMAP3430 support
configname: CONFIG_SOC_OMAP3430
Linux Kernel Configuration
└─>TI OMAP/AM/DM/DRA Family
└─>TI OMAP2/3/4 Specific Features
└─>OMAP3430 support