[tf-rmm] TF-RMM Live Firmware Activation Design

Hi Everyone We have pushed a Design document for TF-RMM Live Firmware Activation for wider discussion : https://github.com/TF-RMM/tf-rmm/wiki/RFC:-TF%E2%80%90RMM-Live-Firmware-Acti... An initial implementation of the design is available for review here : https://review.trustedfirmware.org/q/topic:%22rmm-lfahttps://review.trustedfirmware.org/q/topic:%22rmm-lfa"

This patch series had to undergo a lot of design changes mainly around Stage 1 xlat management. Some of the changes were done anticipating upcoming feature like Flexible memory management in RMM specification. We hope to schedule a separate design review session discussing the same. Please let us know of feedback or comments in the meantime.

Best Regards Soby Mathew