staging: ks7010: fix coding style issue of enclosing complex macro value in parentheses

This patch fixes error of enclosing complex macro value in parentheses,
error as issued by checkpatch

Signed-off-by: Chetan Sethi <cpsethi369@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>