serial: serial_msm: initialize uart only before relocation

The uart is already initialized prior to relocation,
reinitialization after relocation is unnecessary.

Signed-off-by: Ramon Fried <ramon.fried@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

drivers/serial/serial_msm.c

@@ -184,6 +184,10 @@ static int msm_serial_probe(struct udevice *dev)
 	int ret;
 	struct msm_serial_data *priv = dev_get_priv(dev);
 
+	/* No need to reinitialize the UART after relocation */
+	if (gd->flags & GD_FLG_RELOC)
+		return 0;
+
 	ret = msm_uart_clk_init(dev);
 	if (ret)
 		return ret;