This should be a quick way to change your wifi card over to hostap.
1. type
cardctl ident
2. Google the manfid code. EXAMPLE 0x000b, 0x7100
try to find proof someone has used it with the hostap drivers.
3. Search all the files on your Z in the /etc/pcmcia directory for any reference to your cards manfid, comment it out.
4. add an entry to hostap_cs.conf for your card
card "intersil"
manfid 0x000b, 0x7100
bind "hostap_cs"