[PATCH] pcmcia: make PCMCIA status a bitfield

make pcmcia_bus_socket->state a bitfield, and rename it pcmcia_state to
prepare for struct pcmcia_bus_socket integration into struct pcmcia_socket.

Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>