ns16550: unify serial_omap

Unify serial_omap, and use the generic binding.

Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
Reviewed-by: Tom Rini <trini@konsulko.com>
Acked-by: Simon Glass <sjg@chromium.org>

board/isee/igep00x0/igep00x0.c

@@ -40,7 +40,7 @@ static const struct ns16550_platdata igep_serial = {
 };
 
 U_BOOT_DEVICE(igep_uart) = {
-	"serial_omap",
+	"ns16550_serial",
 	&igep_serial
 };