media: ti: vpe: Add missing v4l2_device_unregister in vip_remove()

media: ti: vpe: Add missing v4l2_device_unregister in vip_remove()

The v4l2_device is registered during probe but was not being unregistered
during remove. Add the missing v4l2_device_unregister() call to properly
clean up resources.

Fixes: fc2873aa4a21 ("media: ti: vpe: Add the VIP driver")
Cc: stable@vger.kernel.org
Signed-off-by: Felix Gu <ustc.gu@gmail.com>
Reviewed-by: Yemike Abhilash Chandra <y-abhilashchandra@ti.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>