media: staging: fix indentation in atomisp-ov5693

Fix "suspect code indent for conditional statements" checkpatch issue

Signed-off-by: Riccardo Schirone <sirmy15@gmail.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>