media: staging: media: bcm2048: match alignment with open parenthesis

This patch fixes the checkpatch.pl issue:

CHECK: Alignment should match open parenthesis
Signed-off-by: NGabriel Fanelli <gabrielfanelli61@gmail.com>
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab+samsung@kernel.org>