[Trusted-services] OP-TEE SPMC 4.4.0 status

Hi All,

This is a follow-up email to the OP-TEE 4.4.0 release, highlighting the updates to the SPMC and related components.

Short summary of the introduced changes: - Branch Target Identification (BTI) and Pointer Authentication (PAC) support added for S-EL0 Secure Partitions - FF-A VM availability message forwarding support added to S-EL0 Secure Partitions - Improved FF-A compliance

For more details on how to get, build and test the SPMC, please see [1].

Regards, Imre

[1]: https://github.com/Trusted-Services/trusted-services/wiki/OP-TEE-SPMC-v4.4-t...