CONFIG_ARCH_OMAP3430 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
default or selected kernelversion does not have config value CONFIG_ARCH_OMAP3430.
Result is shown for kernelversion 5.4.69

OMAP3430 support

configname: CONFIG_ARCH_OMAP3430

Linux Kernel Configuration
└─>TI OMAP2/3/4 Specific Features
└─>OMAP3430 support
In linux kernel since version 2.6.28 (release Date: 2008-12-24)