Add dynamic config image IDs
Add dynamic config image IDs

Change-Id: I147031dea9487dc1976e31ad40c89b221e44edbc
Signed-off-by: Soby Mathew <4d7af7c5c404e07961f9e1e79d6f17409c1d7db7@arm.com>

achingupta/arm-trusted-firmware,achingupta/arm-trusted-firmware