um: drivers: virtio: use string choices helper
Remove hard-coded strings by using the string helper functions
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://patch.msgid.link/87h5uywtwp.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
authored by