arm64: dts: ti: k3-am62a-main: Add C7xv device node

arm64: dts: ti: k3-am62a-main: Add C7xv device node

AM62A SoCs have a C7xv DSP subsystem with Analytics engine capability.
This subsystem is intended for deep learning purposes. Define the
device node for C7xv DSP.

Signed-off-by: Jai Luthra <j-luthra@ti.com>
Signed-off-by: Hari Nagalla <hnagalla@ti.com>
Signed-off-by: Judith Mendez <jm@ti.com>
Tested-by: Daniel Schultz <d.schultz@phytec.de>
Acked-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20250502220325.3230653-6-jm@ti.com
Signed-off-by: Nishanth Menon <nm@ti.com>