Implemented FWU metadata load and verification APIs.
Also, exported below APIs to the platform:
1. fwu_init - Load FWU metadata in a structure. Also, set the
addresses of updated components in I/O policy
2. fwu_is_trial_run_state - To detect trial run or regular run
state
Change-Id: I67eeabb52d9275ac83be635306997b7c353727cd
Signed-off-by: Manish V Badarkhe <Manish.Badarkhe@arm.com>
Added a firmware update metadata structure as per section 4.1
in the specification document[1].
Also, added the build options used in defining the firmware
update metadata structure.
[1]: https://developer.arm.com/documentation/den0118/a/
Change-Id: I8f43264a46fde777ceae7fd2a5bb0326f1711928
Signed-off-by: Manish V Badarkhe <Manish.Badarkhe@arm.com>