arm64: dts: ti: Enable CAN interfaces for J784S4 EVM board

J784S4-EVM has several CAN bus interfaces on both MCU and MAIN domains.
This enables the MCU domain interfaces, and the MAIN domain one that isn't
muxed.

Signed-off-by: Matt Ranostay <mranostay@ti.com>
Acked-by: Hari Nagalla <hnagalla@ti.com>
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>