feat(trp): test el3-rmm ide km interface

This patch introduces test functions to the Test Realm Payload (TRP)
for performing basic sanity checks on the RMM-EL3 IDE KM support added
to EL3.

The prim

feat(trp): test el3-rmm ide km interface

This patch introduces test functions to the Test Realm Payload (TRP)
for performing basic sanity checks on the RMM-EL3 IDE KM support added
to EL3.

The primary goal of this patch is to only to verify the basic
functionality and ensure the implemented functions return the
correct return values.

The test uses random values for the ecam address, rootport ID,
IDE stream info, keys, and IV values.

Change-Id: Icf47627da9a6a7dd0d6e40e20ac94cc977072177
Signed-off-by: Sona Mathew <sonarebecca.mathew@arm.com>

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feat(rme): add Test Realm Payload (TRP)

TRP is a small test payload that implements Realm Monitor
Management (RMM) functionalities. RMM runs in the Realm world
(R-EL2) and manages the execution of R

feat(rme): add Test Realm Payload (TRP)

TRP is a small test payload that implements Realm Monitor
Management (RMM) functionalities. RMM runs in the Realm world
(R-EL2) and manages the execution of Realm VMs and their
interaction with the hypervisor in Normal world.

TRP is used to test the interface between RMM and Normal world
software, known as Realm Management Interface (RMI). Current
functions includes returning RMM version and transitioning
granules from Non-secure to Realm world and vice versa.

More information about RMM can be found at:
https://developer.arm.com/documentation/den0125/latest

Signed-off-by: Zelalem Aweke <zelalem.aweke@arm.com>
Change-Id: Ic7b9a1e1f3142ef6458d40150d0b4ba6bd723ea2

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