Use new pin names containing DCE/DTE for UART RX/TX/RTS/CTS pins, this
is to distinguish the DCE/DTE functions.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Reviewed-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
 
        pinctrl_uart1: uart1grp {
                fsl,pins = <
-                       MX6SX_PAD_GPIO1_IO04__UART1_TX          0x1b0b1
-                       MX6SX_PAD_GPIO1_IO05__UART1_RX          0x1b0b1
+                       MX6SX_PAD_GPIO1_IO04__UART1_DCE_TX              0x1b0b1
+                       MX6SX_PAD_GPIO1_IO05__UART1_DCE_RX              0x1b0b1
                >;
        };