tty: vt: distribute EXPORT_SYMBOL()

There is a list of EXPORT_SYMBOL()s at the end of the file. Put them all
by their definition. This is how we usually do that.

give_up_console() lost its VT_SINGLE_DRIVER local ifndef protection as
that whole code is under this check.

Signed-off-by: Jiri Slaby (SUSE) <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20230420093559.13200-3-jirislaby@kernel.org


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>