media: staging: media: atomisp: reformat code comment blocks

Reformat code comment blocks according to the coding style guidelines.
This resolves different checkpatch script WARNINGs around block comments.

[hverkuil: fixed up one missed '/* text' comment as reported by Fabio]

Suggested-by: Fabio Aiuto <fabioaiuto83@gmail.com>
Signed-off-by: Deepak R Varma <drv@mailo.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>