These nodes are example nodes for the PCIe controller in "endpoint" mode.
By default the controller is in "root complex" mode and there is already a
DT node for the same.

Examples should go in the bindings or other documentation.

Remove this node.
Signed-off-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20230515172137.474626-2-afd@ti.comSigned-off-by: Vignesh Raghavendra <vigneshr@ti.com>