CONFIG_GVPIOEXT is not available for thedefaultarchitecture x86.
Result is shown for architecture m68k
default or selected kernelversion does not have config value CONFIG_GVPIOEXT.
Result is shown for kernelversion 6.2.5

GVP IO-Extender support

configname: CONFIG_GVPIOEXT

Linux Kernel Configuration
└─>Character devices
└─>GVP IO-Extender support
In linux kernel since version 2.6.12  
If you want to use a GVP IO-Extender serial card in Linux, say Y.
Otherwise, say N.