fwk: Introduce Memory-Mapped I/O (MMIO) interface
This commit introduces framework generic mmio interface with various data type.
Signed-off-by: Wei-Chia Su Wei-Chia.Su@arm.com
GitLab Maintenance scheduled for Tuesday, 17th March 2026, from 3:30 AM to 7:00 AM BST. GitLab will be in read-only mode and experience short periods of complete downtime (10~15 minutes) during this window.
This commit introduces framework generic mmio interface with various data type.
Signed-off-by: Wei-Chia Su Wei-Chia.Su@arm.com