m68k: Fix a few hickups in drivers/scsi/Kconfig

	  built-in SCSI controller, say Y. Otherwise, say N.

	  To compile this driver as a module, choose M here: the

	  module will be called wd33c93.

	  module will be called a3000.

config A2091_SCSI

	tristate "A2091/A590 WD33C93A support"

	  say N.

	  To compile this driver as a module, choose M here: the

	  module will be called wd33c93.

	  module will be called a2091.

config GVP11_SCSI

	tristate "GVP Series II WD33C93A support"