arm64: dts: ti: k3-am64-main: Add eQEP nodes

Add eQEP device tree nodes 0-2 for AM642 SoC.

Signed-off-by: Judith Mendez <jm@ti.com>
Link: https://lore.kernel.org/r/20240924220700.886313-5-jm@ti.com


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