SCMI: Split performance domain fast channel commands
Created by: leandro-arm
In this patch fast channels are separated in different blocks, to allow platforms to define each fast channel command separately Also, the fast channel memory layout has been redefined for Juno platform
Change-Id: Ic4e51251a43a340557c3d39a3422eae6de50371d Signed-off-by: Leandro Belli leandro.belli@arm.com