Support OP-TEE dynamic shared memory

[athvu]

This PR adds support for OP-TEE SMC function 'CallWithRegdArg', which uses registered (dynamic) shared memory

[sangho2]

Looks good to me. Thanks!

I've left some minor comments. Also, it would be great if this PR has some description :)

[github-actions]

🤖 SemverChecks 🤖 ⚠️ Potential breaking API changes detected ⚠️

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--- failure enum_struct_variant_field_added: pub enum struct variant field added ---

Description:
An enum's exhaustive struct variant has a new field, which has to be included when constructing or matching on this variant.
        ref: https://doc.rust-lang.org/reference/attributes/type_system.html#the-non_exhaustive-attribute
       impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.47.0/src/lints/enum_struct_variant_field_added.ron

Failed in:
  field msg_args_phys_addr of variant OpteeSmcResult::CallWithArg in /home/runner/work/litebox/litebox/litebox_common_optee/src/lib.rs:2137