ARM: dts: imx6q{dl}: add DTE pads for uart

The uart2 in the imx6q-arm2 board is used as a DTE uart,
this patch adds the necessary DTE pads for uart2.
Signed-off-by: NHuang Shijie <b32955@freescale.com>
Signed-off-by: NShawn Guo <shawn.guo@linaro.org>

arch/arm/boot/dts/imx6dl-pinfunc.h

@@ -461,6 +461,8 @@
 #define MX6DL_PAD_EIM_D28__IPU1_CSI1_DATA12        0x174 0x544 0x890 0x3 0x1
 #define MX6DL_PAD_EIM_D28__UART2_CTS_B             0x174 0x544 0x000 0x4 0x0
 #define MX6DL_PAD_EIM_D28__UART2_RTS_B             0x174 0x544 0x900 0x4 0x0
+#define MX6DL_PAD_EIM_D28__UART2_DTE_CTS_B         0x174 0x544 0x900 0x4 0x0
+#define MX6DL_PAD_EIM_D28__UART2_DTE_RTS_B         0x174 0x544 0x000 0x4 0x0
 #define MX6DL_PAD_EIM_D28__GPIO3_IO28              0x174 0x544 0x000 0x5 0x0
 #define MX6DL_PAD_EIM_D28__IPU1_EXT_TRIG           0x174 0x544 0x000 0x6 0x0
 #define MX6DL_PAD_EIM_D28__IPU1_DI0_PIN13          0x174 0x544 0x000 0x7 0x0
@@ -470,6 +472,8 @@
 #define MX6DL_PAD_EIM_D29__ECSPI4_SS0              0x178 0x548 0x808 0x2 0x1
 #define MX6DL_PAD_EIM_D29__UART2_RTS_B             0x178 0x548 0x900 0x4 0x1
 #define MX6DL_PAD_EIM_D29__UART2_CTS_B             0x178 0x548 0x000 0x4 0x0
+#define MX6DL_PAD_EIM_D29__UART2_DTE_RTS_B         0x178 0x548 0x000 0x4 0x0
+#define MX6DL_PAD_EIM_D29__UART2_DTE_CTS_B         0x178 0x548 0x900 0x4 0x1
 #define MX6DL_PAD_EIM_D29__GPIO3_IO29              0x178 0x548 0x000 0x5 0x0
 #define MX6DL_PAD_EIM_D29__IPU1_CSI1_VSYNC         0x178 0x548 0x8bc 0x6 0x0
 #define MX6DL_PAD_EIM_D29__IPU1_DI0_PIN14          0x178 0x548 0x000 0x7 0x0

arch/arm/boot/dts/imx6q-pinfunc.h

@@ -197,6 +197,8 @@
 #define MX6Q_PAD_EIM_D28__IPU2_CSI1_DATA12        0x0c4 0x3d8 0x8b8 0x3 0x0
 #define MX6Q_PAD_EIM_D28__UART2_CTS_B             0x0c4 0x3d8 0x000 0x4 0x0
 #define MX6Q_PAD_EIM_D28__UART2_RTS_B             0x0c4 0x3d8 0x924 0x4 0x0
+#define MX6Q_PAD_EIM_D28__UART2_DTE_CTS_B         0x0c4 0x3d8 0x924 0x4 0x0
+#define MX6Q_PAD_EIM_D28__UART2_DTE_RTS_B         0x0c4 0x3d8 0x000 0x4 0x0
 #define MX6Q_PAD_EIM_D28__GPIO3_IO28              0x0c4 0x3d8 0x000 0x5 0x0
 #define MX6Q_PAD_EIM_D28__IPU1_EXT_TRIG           0x0c4 0x3d8 0x000 0x6 0x0
 #define MX6Q_PAD_EIM_D28__IPU1_DI0_PIN13          0x0c4 0x3d8 0x000 0x7 0x0
@@ -205,6 +207,8 @@
 #define MX6Q_PAD_EIM_D29__ECSPI4_SS0              0x0c8 0x3dc 0x824 0x2 0x1
 #define MX6Q_PAD_EIM_D29__UART2_RTS_B             0x0c8 0x3dc 0x924 0x4 0x1
 #define MX6Q_PAD_EIM_D29__UART2_CTS_B             0x0c8 0x3dc 0x000 0x4 0x0
+#define MX6Q_PAD_EIM_D29__UART2_DTE_RTS_B         0x0c4 0x3dc 0x000 0x4 0x0
+#define MX6Q_PAD_EIM_D29__UART2_DTE_CTS_B         0x0c4 0x3dc 0x924 0x4 0x1
 #define MX6Q_PAD_EIM_D29__GPIO3_IO29              0x0c8 0x3dc 0x000 0x5 0x0
 #define MX6Q_PAD_EIM_D29__IPU2_CSI1_VSYNC         0x0c8 0x3dc 0x8e4 0x6 0x0
 #define MX6Q_PAD_EIM_D29__IPU1_DI0_PIN14          0x0c8 0x3dc 0x000 0x7 0x0