rtos: string: Add memory barrier to memset_s for security#10487

lgirdwood merged 1 commit intothesofproject:mainthesofproject/sof:mainfrom

tmleman:topic/upstream/pr/string/memset_s/add_memory_barriertmleman/sof:topic/upstream/pr/string/memset_s/add_memory_barrierCopy head branch name to clipboard