Merge TF-M Core/SPM changes and RPC/mailbox from feature-twincpu branch back to master branch, as the third step of merging feature-twincpu branch back to master branch.
It is a preparation to support multi-core topology.
Description
Description
Merge TF-M Core/SPM changes and RPC/mailbox from feature-twincpu branch back to master branch, as the third step of merging feature-twincpu branch back to master branch.
It is a preparation to support multi-core topology.