[SCSI] pcmcia: allow drivers to be built non-modular

Remove the Kconfig requirement that the PCMCIA SCSI drivers be built
only as modules, and allow them to be built into the kernel.

Signed-off-by: Robert P. J. Day <rpjday@mindspring.com>
Acked-by: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>