Add two Prism cards to hostap_cs driver.

  product info: "Pretec", "CompactWLAN Card 802.11b", "2.5"
  manfid: 0x0156, 0x0002

  product info: "U.S. Robotics", "IEEE 802.11b PC-CARD", "Version 01.02", ""
  manfid: 0x0156, 0x0002
Signed-off-by: NMarcin Juszkiewicz <openembedded@hrw.one.pl>
Signed-off-by: NPavel Roskin <proski@gnu.org>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>