arm64: dts: ti: k3-am64: Add ti,pa-stats property

Add ti,pa-stats phandles to k3-am64x-evm.dts. This is a phandle to
PA_STATS syscon regmap and will be used 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/20241014074527.1121613-5-danishanwar@ti.com


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