tree 3490ad1ab7affb269bc78df5d0f559208c374e99
parent 3109e287c1bb9e8b152a53aeff3e0f3764c5438d
author Govindraj Raja <govindraj.raja@arm.com> 1708728652 -0600
committer Govindraj Raja <govindraj.raja@arm.com> 1715006531 -0500

feat(smccc): add vendor-specific el3 service

Add support for vendor-specific el3 service. SMCCC 1.5 introduces
support for vendor-specific EL3 monitor calls.

SMCCC Documentation reference:
https://developer.arm.com/docs/den0028/latest

Change-Id: Id8bc43842eecdb7a8a2ec7f31a631e88fe4fe0b4
Signed-off-by: Govindraj Raja <govindraj.raja@arm.com>