CONFIG_ARCH_OMAP4 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm

TI OMAP4

modulename: mux44xx.ko

and/or

pm44xx.ko

and/or

clockdomain.ko

and/or

prm44xx.ko

and/or

omap4-common.ko

and/or

omap_hwmod_44xx_data.ko

and/or

prcm.ko

and/or

omap_l3_noc.ko

and/or

omap_device.ko

and/or

opp4xxx_data.ko

configname: CONFIG_ARCH_OMAP4

OMAP System Type
└─>TI OMAP4
In linux kernel since version 2.6.31 (release Date: 2009-09-09)  

depends
 or CONFIG_ARCH_OMAP2PLUS

is selected by
CONFIG_MACH_OMAP_4430SDP