CONFIG_GVPIOEXT is not available for thedefaultarchitecture x86.
Result is shown for architecture m68k

GVP IO-Extender support

configname: CONFIG_GVPIOEXT

Linux/68k 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.

depends
CONFIG_PARPORT
CONFIG_ZORRO