fix(cpus): workaround for CVE-2024-5660 for Cortex-X2

Implements mitigation for CVE-2024-5660 that affects Cortex-X2
revisions r0p0, r1p0, r2p0, r2p1.
The workaround is to disable the hardware page aggregation at
EL3 by setting CPUECTLR_EL1[46] = 1'b1

Public Documentation:
https://developer.arm.com/Arm%20Security%20Center/Arm%20CPU%20Vulnerability%20CVE-2024-5660

Change-Id: If28804e154617a39d7d52c40b3a00a14a39df929
Signed-off-by: Sona Mathew <sonarebecca.mathew@arm.com>
1 file changed