boards: arm: rak4631_nrf52840: Convert to v2

Converts the board to hwmv2

Signed-off-by: Jamie McCrae <jamie.mccrae@nordicsemi.no>

boards/rak/rak4631/Kconfig.defconfig

@@ -3,12 +3,9 @@
 # Copyright (c) 2021 Guillaume Paquet <guillaume.paquet@smile.fr>
 # SPDX-License-Identifier: Apache-2.0
 
-if BOARD_RAK4631_NRF52840
-
-config BOARD
-	default "rak4631_nrf52840"
+if BOARD_RAK4631
 
 config BT_CTLR
 	default BT
 
-endif # BOARD_RAK4631_NRF52840
+endif # BOARD_RAK4631

boards/rak/rak4631/Kconfig.rak4631

@@ -3,6 +3,7 @@
 # Copyright (c) 2021 Guillaume Paquet <guillaume.paquet@smile.fr>
 # SPDX-License-Identifier: Apache-2.0
 
-config BOARD_RAK4631_NRF52840
-	bool "RAK4631 DK NRF52840"
-	depends on SOC_NRF52840_QIAA
+config BOARD_RAK4631
+	bool
+	default y
+	select SOC_NRF52840_QIAA

boards/rak/rak4631/board.yml

@@ -0,0 +1,5 @@
+board:
+  name: rak4631
+  vendor: RAKwireless
+  socs:
+  - name: nrf52840

boards/rak/rak4631/doc/index.rst

@@ -40,7 +40,7 @@ programming/debug interface.
 Supported Features
 ==================
 
-The rak4631_nrf52840 board configuration supports the following hardware features:
+The ``rak4631/nrf52840`` board configuration supports the following hardware features:
 
 +-----------+------------+----------------------+
 | Interface | Controller | Driver/Component     |
@@ -77,9 +77,8 @@ The rak4631_nrf52840 board configuration supports the following hardware feature
 | WDT       | on-chip    | watchdog             |
 +-----------+------------+----------------------+
 
-The default board configuration can be found in the defconfig file:
-
-        ``boards/arm/rak4631_nrf52840/rak4631_nrf52840_defconfig``
+The default board configuration can be found in
+:zephyr_file:`boards/rak/rak4631/rak4631_nrf52840_defconfig`
 
 Connections and IOs
 ===================
@@ -126,7 +125,7 @@ Flashing
 
    .. zephyr-app-commands::
       :zephyr-app: samples/hello_world
-      :board: rak4631_nrf52840
+      :board: rak4631/nrf52840
       :goals: build flash
 
    You should see "Hello World! rak4631_nrf52840" in your terminal.
@@ -139,7 +138,7 @@ You can debug an application in the usual way.  Here is an example for the
 
 .. zephyr-app-commands::
    :zephyr-app: samples/hello_world
-   :board: rak4631_nrf52840
+   :board: rak4631/nrf52840
    :maybe-skip-config:
    :goals: debug
 

boards/rak/rak4631/rak4631_nrf52840.yaml

@@ -1,4 +1,4 @@
-identifier: rak4631_nrf52840
+identifier: rak4631/nrf52840
 name: RAK4631-NRF52840
 type: mcu
 arch: arm

boards/rak/rak4631/rak4631_nrf52840_defconfig

@@ -1,7 +1,4 @@
 # SPDX-License-Identifier: Apache-2.0
-CONFIG_SOC_SERIES_NRF52X=y
-CONFIG_SOC_NRF52840_QIAA=y
-CONFIG_BOARD_RAK4631_NRF52840=y
 
 # Enable MPU
 CONFIG_ARM_MPU=y