CONFIG_ARCH_SH7377 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
default or selected kernelversion does not have config value CONFIG_ARCH_SH7377.
Result is shown for kernelversion 6.2.5

SH-Mobile G4 (SH7377)

modulename: setup-sh7377.ko

and/or

entry-intc.ko

configname: CONFIG_ARCH_SH7377

Linux Kernel Configuration
└─>SH-Mobile G4 (SH7377)
In linux kernel since version 2.6.34 (release Date: 2010-05-16)  
source code:
/arch/arm/mach-shmobile/


is selected by
CONFIG_MACH_G4EVM