staging: comedi: fix Kconfig for COMEDI_PCMCIA_DRIVERS

The depends on PCCARD is redundant. All of the comedi PCMCIA
drivers depend on PCMCIA which can only be enabled if PCCARD
is enabled. Remove the extra depends check.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Frank Mori Hess <fmhess@users.sourceforge.net>
Tested-by: Ian Abbott <abbotti@mev.co.uk>
Reported-by: Randy Dunlap <rdunlap@xenotime.net>
Acked-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>