doc: boards: antmicro: 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 <benjamin@zephyrproject.org>

Author: kartben

boards/antmicro/myra_sip_baseboard/doc/index.rst

@@ -116,48 +116,7 @@ Other board's peripherals:
 Supported Features
 ------------------
 
-The Zephyr ``myra_sip_baseboard`` board target 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                                 |
-+-----------+------------+-------------------------------------+
-| WATCHDOG  | on-chip    | independent watchdog                |
-+-----------+------------+-------------------------------------+
-| PWM       | on-chip    | pwm                                 |
-+-----------+------------+-------------------------------------+
-| ADC       | on-chip    | adc                                 |
-+-----------+------------+-------------------------------------+
-| DAC       | on-chip    | dac controller                      |
-+-----------+------------+-------------------------------------+
-| FLASH     | on-chip    | flash memory                        |
-+-----------+------------+-------------------------------------+
-| EEPROM    | on-chip    | eeprom                              |
-+-----------+------------+-------------------------------------+
-| NVS       | on-chip    | nvs                                 |
-+-----------+------------+-------------------------------------+
-| COUNTER   | on-chip    | rtc                                 |
-+-----------+------------+-------------------------------------+
-| SPI       | on-chip    | spi                                 |
-+-----------+------------+-------------------------------------+
-| die-temp  | on-chip    | die temperature sensor              |
-+-----------+------------+-------------------------------------+
-| FDCAN1    | on-chip    | can controller                      |
-+-----------+------------+-------------------------------------+
-| RTC       | on-chip    | rtc                                 |
-+-----------+------------+-------------------------------------+
-
-Other hardware features are not yet supported on this Zephyr port.
+.. zephyr:board-supported-hw::
 
 Connections and IOs
 -------------------