trivial: staging: vc04_services: replace bitshift with BIT macro

Cleans up some bitshifts by using the BIT macro.

Signed-off-by: Garrit Franke <garritfranke@gmail.com>
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/20200625093237.2640-1-garritfranke@gmail.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>