Add compatible string for the ARM CCN-502 interconnect
Signed-off-by: NVelibor Markovski <velibor.markovski@broadcom.com>
Acked-by: NMark Rutland <mark.rutland@arm.com>
Signed-off-by: NScott Branden <scott.branden@broadcom.com>
Signed-off-by: NPawel Moll <pawel.moll@arm.com>