n1sdp: enable non-secure coresight debug access
Created by: manojkumar-arm
This patch enables non-secure world to access CoreSight debug address space by configuring the NIC-400 registers.
Change-Id: Ib15868a91c80da54f655aa3f23c35695c9362419 Signed-off-by: Manoj Kumar manoj.kumar3@arm.com