tty: ipwireless: move Kconfig entry to tty

tty: ipwireless: move Kconfig entry to tty

The ipwireless' Kconfig entry is currently sitting in char/pcmcia. But
the driver is in tty/. So move the entry to tty/ too.

First, it makes sense to have the entry along the driver. Second, whole
char/pcmcia is about to pass away.

Signed-off-by: Jiri Slaby (SUSE) <jirislaby@kernel.org>
Cc: Jiri Kosina <jikos@kernel.org>
Cc: David Sterba <dsterba@suse.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: David Sterba <dsterba@suse.com>
Link: https://lore.kernel.org/r/20230222092302.6348-1-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>