Revert "serial-uartlite: Add get serial id if not provided"

This reverts commit 62104b2.

As Johan says, this driver needs a lot more work and these changes are
only going in the wrong direction:
    https://lkml.kernel.org/r/20190523091839.GC568@localhost

Reported-by: Johan Hovold <[email protected]>
Cc: Shubhrajyoti Datta <[email protected]>
Cc: Michal Simek <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>

Author: gregkh

drivers/tty/serial/uartlite.c

@@ -763,13 +763,6 @@ static int ulite_probe(struct platform_device *pdev)
 	if (prop)
 		id = be32_to_cpup(prop);
 #endif
-	if (id < 0) {
-		/* Look for a serialN alias */
-		id = of_alias_get_id(pdev->dev.of_node, "serial");
-		if (id < 0)
-			id = 0;
-	}
-
 	if (!ulite_uart_driver.state) {
 		dev_dbg(&pdev->dev, "uartlite: calling uart_register_driver()\n");
 		ret = uart_register_driver(&ulite_uart_driver);