char: virtio: Select VIRTIO from VIRTIO_CONSOLE.

Make it possible to have virtio console built-in when
other virtio drivers are modular.
Signed-off-by: Michal Suchanek <msuchanek@suse.de>
Reviewed-by: Amit Shah <amit@kernel.org>
Link: https://lore.kernel.org/r/20200831165850.26163-1-msuchanek@suse.deSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/char/Kconfig

@@ -93,8 +93,9 @@ config PPDEV
 
 config VIRTIO_CONSOLE
 	tristate "Virtio console"
-	depends on VIRTIO && TTY
+	depends on TTY
 	select HVC_DRIVER
+	select VIRTIO
 	help
 	  Virtio console for use with hypervisors.