Hikey960 port: initial commit

Initial commit to allow building hikey960 as a target

Change-Id: Ifaae59b06aaa4065668f05e17eac1a7e2a19ca14
Co-authored-by: John Tsichritzis <john.tsichritzis@arm.com>
Co-authored-by: Joel Hutton <Joel.Hutton@Arm.com>
Signed-off-by: Joel Hutton <Joel.Hutton@Arm.com>
9 files changed