arm64: dts: ti: k3-am64x-sk: Enable eQEP

There are 3 instances of eQEP on AM64x. Only EQEP0 signals
can be routed to the user expansion so enable only EQEP0
in k3-am642-sk.dts.

Signed-off-by: Judith Mendez <jm@ti.com>
Link: https://lore.kernel.org/r/20240924220700.886313-6-jm@ti.com


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