media: atomisp: Fix funciton decleration

Write return_type, function_name and parameters in one line
because lines should not end with a '(' [OPEN_ENDED_LINE]
Write open brace ’{’ on the next line to fix OPEN_BRACE Error

Link: https://lore.kernel.org/linux-media/20201214110156.6152-8-Philipp.Gerlesberger@fau.de


Co-developed-by: Andrey Khlopkov <ij72uhux@stud.informatik.uni-erlangen.de>
Signed-off-by: Andrey Khlopkov <ij72uhux@stud.informatik.uni-erlangen.de>
Signed-off-by: Philipp Gerlesberger <Philipp.Gerlesberger@fau.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>