media: staging: media: hantro: Align line break to the open parenthesis in file hantro_mpeg2.c

Aligns line break with the remaining function arguments
to the open parenthesis. Issue found by checkpatch.
Signed-off-by: Aline Santana Cordeiro <alinesantanacordeiro@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>