arm: dts: ti: Add Support for J721E SoC

Add initial SoC definition for J721E SoC.
Kernel dts posted here:
https://lore.kernel.org/lkml/20190522161921.20750-1-nm@ti.com/

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
3 files changed