doc: seco: adopt zephyr:board-supported-hw directive

Replace manually authored hardware features table with the new Zephyr
board supported hardware directive which automatically generates an
up-to-date table based on the boards' Devicetree.

Signed-off-by: Benjamin Cabé <[email protected]>

Author: kartben

boards/seco/stm32f3_seco_d23/doc/index.rst

@@ -50,35 +50,7 @@ More information about STM32F302VC can be found here:
 Supported Features
 ==================
 
-The Zephyr stm32f3_seco_d23 board configuration supports the following hardware
-features:
-
-+-----------+------------+-------------------------------------+
-| Interface | Controller | Driver/Component                    |
-+===========+============+=====================================+
-| NVIC      | on-chip    | nested vector interrupt controller  |
-+-----------+------------+-------------------------------------+
-| UART      | on-chip    | serial port-polling;                |
-|           |            | serial port-interrupt               |
-+-----------+------------+-------------------------------------+
-| PINMUX    | on-chip    | pinmux                              |
-+-----------+------------+-------------------------------------+
-| GPIO      | on-chip    | gpio                                |
-+-----------+------------+-------------------------------------+
-| I2C       | on-chip    | i2c                                 |
-+-----------+------------+-------------------------------------+
-| SPI       | on-chip    | spi                                 |
-+-----------+------------+-------------------------------------+
-| USB       | on-chip    | USB device                          |
-+-----------+------------+-------------------------------------+
-| CAN       | on-chip    | CAN                                 |
-+-----------+------------+-------------------------------------+
-| IWDG      | on-chip    | Independent WatchDoG                |
-+-----------+------------+-------------------------------------+
-| PWM       | on-chip    | pwm                                 |
-+-----------+------------+-------------------------------------+
-
-Other hardware features are not yet supported on Zephyr porting.
+.. zephyr:board-supported-hw::
 
 Pin Mapping
 ===========