media: atomisp: Remove unnecessary parens in sh_css.c

Remove unnecessary parenthesis.

Link: https://lore.kernel.org/linux-media/20210508235622.300394-3-vrzh@vrzh.net


Signed-off-by: Martiros Shakhzadyan <vrzh@vrzh.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>