SCMIv2: Add SYSTEM_POWER_STATE_NOTIFY to system_power protocol
Created by: jimqui01
This patch adds the SYSTEM_POWER_STATE_NOTIFY command requesting notifications on power state changes to the system power protocol.
This patch also adds the notification sent when a power state change is requested.
Change-Id: I403d11005146fa447e980077b1f315c6a0e3564f Signed-off-by: Jim Quigley jim.quigley@arm.com