Staging: kpc2000: kpc_dma: Use spaces around operators.

Cleanup Checkpatch.pl CHECKs about missing
spaces around multiple operators.

Signed-off-by: Sam Muhammed <jane.pnx9@gmail.com>
Link: https://lore.kernel.org/r/22025abc8f8f3452c2d886e8faf1fe0532e8bb1d.1585143581.git.jane.pnx9@gmail.com


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