arm64: dts: ti: k3-am64-main: Add ti,pruss-pa-st node

Add pa-stats nodes to k3-am64-main.dtsi for all ICSSG instances.
This is needed to dump IET related statistics for ICSSG Driver.

Signed-off-by: MD Danish Anwar <danishanwar@ti.com>
Reviewed-by: Roger Quadros <rogerq@kernel.org>
Link: https://lore.kernel.org/r/20241014074527.1121613-4-danishanwar@ti.com


Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>