gbsim: i2s: Add PROTOCOL_VERSION request support
gbsim: i2s: Add PROTOCOL_VERSION request support

Add support for PROTOCOL_VERSION queries.

CC: Johan Hovold <759412786bc533369b22377bf83fb9056c5b25b2@hovoldconsulting.com>
Cc: mark greer <07d21ce1bc44536d1c0c2ce928479c6fadfa6150@animalcreek.com>
Signed-off-by: John Stultz <33837adfb53316eae44aad04041e1240088d76fd@linaro.org>
Reviewed-by: Alex Elder <f429030cf5c0faf36fac3d102073b6e63a647baa@linaro.org>
Signed-off-by: Greg Kroah-Hartman <4645f7897fd33786a2ee1264d590b3c400559d85@google.com>

gregkh/gbsim,projectara/gbsim,bcousson/gbsim,projectara/gbsim,bcousson/gbsim,gregkh/gbsim,bcousson/gbsim