serial: omap: Add support for AM654 uart controller

AM654 uses a UART controller that is compatible (partially) with
existing OMAP UART, Introduce a compatible for adding support
for this controller.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>

drivers/serial/serial_omap.c

@@ -104,6 +104,7 @@ static const struct udevice_id omap_serial_ids[] = {
 	{ .compatible = "ti,am3352-uart", },
 	{ .compatible = "ti,am4372-uart", },
 	{ .compatible = "ti,dra742-uart", },
+	{ .compatible = "ti,am654-uart", },
 	{}
 };
 #endif /* OF_CONTROL && !OF_PLATDATA */