isicom, augment card_reset

- add 0xee to signatures
- change long delays to sleeps
- make one sleep shorter not to wait 3s
- portcount == 16 is also correct

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>