arm64: dts: ti: k3-am62*: Add non-removable flag for eMMC

EMMC device is non-removable so add 'non-removable' DT
property to avoid having to redetect the eMMC after
suspend/resume.

Signed-off-by: Judith Mendez <jm@ti.com>
Reviewed-by: Udit Kumar <u-kumar1@ti.com>
Link: https://lore.kernel.org/r/20250429151454.4160506-3-jm@ti.com


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