armv8: ls1028aqds: Add support of LS1028AQDS

LS1028AQDS Development System is a high-performance
computing, evaluation, and development platform that supports
LS1028A QorIQ Architecture processor.

Signed-off-by: Sudhanshu Gupta <sudhanshu.gupta@nxp.com>
Signed-off-by: Rai Harninder <harninder.rai@nxp.com>
Signed-off-by: Rajesh Bhagat <rajesh.bhagat@nxp.com>
Signed-off-by: Bhaskar Upadhaya <Bhaskar.Upadhaya@nxp.com>
Signed-off-by: Tang yuantian <andy.tang@nxp.com>
Signed-off-by: Prabhakar Kushwaha <prabhakar.kushwaha@nxp.com>