[PATCH] ipw2200: Disable hwcrypto by default

After looking at the mailing list (and experiencing permanent driver lockups
while using hwcrypto=1) I think that disabling this option by default would
be better than otherwise.

Signed-off-by: Andreas Happe <andreashappe@snikt.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>