CONFIG_ETRAX_VIRTUAL_GPIO is not available for thedefaultarchitecture x86.
Result is shown for architecture cris
Virtual GPIO support
configname: CONFIG_ETRAX_VIRTUAL_GPIO
Linux Kernel Configuration
└─>Virtual GPIO support
In linux kernel since version 2.6.25 (release Date: 2008-04-16)
Enables the virtual Etrax general port device (major 120, minor 6).
It uses an I/O expander for the I2C-bus.
It uses an I/O expander for the I2C-bus.