media: staging: media: atomisp: pci: Correct identation in block of conditional state...

media: staging: media: atomisp: pci: Correct identation in block of conditional statements in file atomisp_v4l2.c

Correct identation in block of conditional statements.
The function "v4l2_device_unregister_subdev()" depends on
the results of the macro function "list_for_each_entry_safe()".

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>