[PORT FROM R2] atomisp: remove unnecessary assignment

[PORT FROM R2] atomisp: remove unnecessary assignment

BZ: 17272

There is unnecessary to assign the vfl_type in the atomisp_video_init() because
the video_register_device() takes the type as mandatory argument.

Change-Id: Ib076eaedb0171b04b8a19928fd530a730c3693d1
Orig-Change-Id: Ieb1df952b1c4af028e3286d24d06179da98619bb
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: David Cohen <david.a.cohen@intel.com>
Reviewed-on: http://android.intel.com:8080/25440
Reviewed-by: Cohen, David A <david.a.cohen@intel.com>
Reviewed-by: Wang, Wen W <wen.w.wang@intel.com>
Reviewed-by: Koskinen, Ilkka <ilkka.koskinen@intel.com>
Reviewed-by: Kruger, Jozef <jozef.kruger@intel.com>
Tested-by: Koski, Anttu <anttu.koski@intel.com>
Reviewed-by: buildbot <buildbot@intel.com>
Tested-by: buildbot <buildbot@intel.com>
Reviewed-on: http://android.intel.com:8080/28031
Reviewed-by: Tuominen, TeemuX <teemux.tuominen@intel.com>
Reviewed-by: Koski, Anttu <anttu.koski@intel.com>