media: staging: media: intel-ipu3: remove space before tabs

Removed unnecessary space before tabs to adhere to  linux kernel coding
style.
Reported by checkpatch.

Signed-off-by: Mitali Borkar <mitaliborkar810@gmail.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>