media: atomisp: Fix missing v4l2_fh_release() in atomisp_open() error exit

media: atomisp: Fix missing v4l2_fh_release() in atomisp_open() error exit

Fix missing v4l2_fh_release() in atomisp_open()'s
"if (pipe->users)" error exit path.

Closes: https://lore.kernel.org/r/202306180511.XWN0Hr7F-lkp@intel.com/
Link: https://lore.kernel.org/r/20230619105212.303653-1-hdegoede@redhat.com
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>