feat(hikey960): add plat-defines for SPMC_AT_EL3

To use SPMC_AT_EL3, a platform must define a few configuration
options. Copied them from fvp platform to hikey960.

Change-Id: Ifd60d69bf79f2f340fe93fe030ab8c538b3a56e4
Signed-off-by: vallau01 <valentin.laurent@trustonic.com>
Signed-off-by: Lukas Hanel <lukas.hanel@trustonic.com>
2 files changed