arm64: dts: ti: k3-am64-main: Enable crypto accelerator

Add the node for SA2UL.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
[s-anna@ti.com: drop label, minor cleanups]
Signed-off-by: Suman Anna <s-anna@ti.com>
[j-choudhary@ti.com: disable rng-node, change flag to shared]
Signed-off-by: Jayesh Choudhary <j-choudhary@ti.com>
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Reviewed-by: Kamlesh Gurudasani <kamlesh@ti.com>
Link: https://lore.kernel.org/r/20220711085743.10128-3-j-choudhary@ti.com