arm64: dts: ti: k3-am62: Enable CPU freq throttling on thermal alert

Enable throttling down the CPU frequency when an alert temperature
threshold (lower than the critical threshold) is reached.

Signed-off-by: Alessandro Zini <alessandro.zini@siemens.com>
Link: https://lore.kernel.org/r/20240814214328.14155-1-alessandro.zini@siemens.com


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