staging: bcm2835-audio: match alignment with open parenthesis

Fix the following checkpatch warning issued on bcm2835-vchiq.c:
CHECK: Alignment should match open parenthesis

Signed-off-by: Aishwarya Pant <aishpant@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>