boards: nxp: mimxrt1180_evk: update doc for NETC support

Updated doc for NETC support.

Signed-off-by: Yangbo Lu <[email protected]>

boards/nxp/mimxrt1180_evk/doc/index.rst

@@ -107,6 +107,10 @@ configuration supports the following hardware features:
 +-----------+------------+-------------------------------------+
 | I2C       | on-chip    | i2c                                 |
 +-----------+------------+-------------------------------------+
+| NETC      | on-chip    | ethernet                            |
+|           |            |                                     |
+|           |            | mdio                                |
++-----------+------------+-------------------------------------+
 
 The default configuration can be found in the defconfig file:
 :zephyr_file:`boards/nxp/mimxrt1180_evk/mimxrt1180_evk_mimxrt1189_cm33_defconfig`
@@ -144,6 +148,13 @@ Serial Port
 The MIMXRT1180 SoC has 12 UARTs. One is configured for the console and the
 remaining are not used.
 
+Ethernet
+========
+
+NETC driver supports to manage the Physical Station Interface (PSI).
+Refer to :ref:`nxp_imx_netc-samples` to learn how to configure the
+Ethernet network controller.
+
 Programming and Debugging
 *************************