staging:vt6656:dpc.h:fix parantheses alignment

The following patch fixes "Alignment should match open parantheses"
check thrown by checkpatch.pl

Signed-off-by: Rithvik Patibandla <rithvikp98@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>