fix: hardware directive

Author: Bucknalla

boards/blues/cygnet/doc/index.rst

@@ -77,28 +77,7 @@ More information about STM32L433CC can be found here:
 Supported Features
 ==================
 
-The Blues Cygnet 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                                 |
-+-----------+------------+-------------------------------------+
-| PWM       | on-chip    | pwm                                 |
-+-----------+------------+-------------------------------------+
-| CAN       | on-chip    | can                                 |
-+-----------+------------+-------------------------------------+
-| SPI       | on-chip    | spi                                 |
-+-----------+------------+-------------------------------------+
+.. zephyr:board-supported-hw::
 
 .. note:: CAN feature requires CAN transceiver
 
@@ -116,7 +95,7 @@ input/output, pull-up, etc.
 
 Available pins:
 ---------------
-.. image:: img/cygnet-pinout.jpg
+.. image:: img/cygnet-pinout.webp
    :align: center
    :alt: Cygnet Pinout