arm: K3: Add basic support for J721S2 SoC definition

Add basic support for J721S2 SoC definition

Signed-off-by: David Huang <d-huang@ti.com>
Signed-off-by: Aswath Govindraju <a-govindraju@ti.com>
Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Hari Nagalla <hnagalla@ti.com>
12 files changed