arm64: dts: ti: k3-j784s4-main: Enable crypto accelerator

Add the node for SA2UL to support hardware crypto algorithms,
including SHA-1/256/512, AES, 3DES and AEAD suites.
Add rng node for hardware random number generator.

Signed-off-by: Jayesh Choudhary <j-choudhary@ti.com>
Reviewed-by: Kamlesh Gurudasani <kamlesh@ti.com>
Link: https://lore.kernel.org/r/20230314152611.140969-3-j-choudhary@ti.com


Signed-off-by: Nishanth Menon <nm@ti.com>