CONFIG_SOC_OMAP2420 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm

OMAP2420 support

modulename: sram242x.ko

and/or

omap2-restart.ko

and/or

mux2420.ko

and/or

clockdomains2420_data.ko

and/or

cclock2420_data.ko

and/or

opp2420_data.ko

and/or

omap_hwmod_2xxx_ipblock_data.ko

and/or

omap_hwmod_2xxx_3xxx_ipblock_data.ko

and/or

omap_hwmod_2xxx_interconnect_data.ko

and/or

omap_hwmod_2xxx_3xxx_interconnect_data.ko

and/or

omap_hwmod_2420_data.ko

and/or

msdi.ko

configname: CONFIG_SOC_OMAP2420

Linux Kernel Configuration
└─>TI OMAP2/3/4 Specific Features
└─>OMAP2420 support
In linux kernel since version 2.6.39 (release Date: 2011-05-18)  
source code:
/arch/arm/mach-omap2/