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>
diff --git a/include/configs/ti_omap4_common.h b/include/configs/ti_omap4_common.h
index 741f71f..0a03cd5 100644
--- a/include/configs/ti_omap4_common.h
+++ b/include/configs/ti_omap4_common.h
@@ -58,13 +58,13 @@
  * Hardware drivers
  */
 #define CONFIG_SYS_NS16550
+#define CONFIG_SYS_NS16550_CLK		48000000
 #if defined(CONFIG_SPL_BUILD) || !defined(CONFIG_DM_SERIAL)
 #define CONFIG_SYS_NS16550_SERIAL
 #define CONFIG_SYS_NS16550_REG_SIZE	(-4)
-#define CONFIG_SYS_NS16550_CLK		48000000
 #define CONFIG_SYS_NS16550_COM3		UART3_BASE
 #else
-#define CONFIG_OMAP_SERIAL
+#define CONFIG_NS16550_SERIAL
 #endif
 #define CONFIG_CONS_INDEX		3