[PATCH] Char: istallion, free only isa

Only ISA cards should be freed in module exit.  Pci probed are freed in
pci_remove.  Define a flag, where we store this info a what to check against.

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>