Backport of "v4l2bufferpool: add lock as atomic operation for seek" into 1.22
requested to merge tpm/gstreamer:mr-4465-backport-into-1.22-v4l2bufferpool-add-lock-for-atomic-operation into 1.22
Backport of !4465 (merged) "v4l2bufferpool: add lock as atomic operation for seek".
Commits:
- 2b63e308 v4l2bufferpool: add lock as atomic operation for seek