staging: kpc2000: Use BIT macro instead of bit masking

Replace bit masking by the BIT macro. This resolves the checkpatch issue
"CHECK: Prefer using the BIT macro"

Signed-off-by: Deepak R Varma <mh12gx2825@gmail.com>
Link: https://lore.kernel.org/r/2269298ae71605b47fa43a2ebaee23d0ad4ed5a5.1603295576.git.mh12gx2825@gmail.com


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