CONFIG_NEC_CMBVR4133 is not available for thedefaultarchitecture x86.
Result is shown for architecture mips
default or selected kernelversion does not have config value CONFIG_NEC_CMBVR4133.
Result is shown for kernelversion 5.4.123

Support for NEC CMB-VR4133

modulename: fixup-vr4133.ko

configname: CONFIG_NEC_CMBVR4133

Linux/MIPS Kernel Configuration
└─>Machine selection
└─>Support for NEC CMB-VR4133
In linux kernel since version 2.6.12  
source code:
arch/mips/pci/fixup-vr4133.c


is selected by
CONFIG_ROCKHOPPER