boards: arm: numaker_pfm_m467: Convert to v2

Converts the board to hwmv2

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

boards/nuvoton/numaker_pfm/Kconfig

@@ -5,5 +5,4 @@
 # Copyright (c) 2023 Nuvoton Technology Corporation.
 
 config BOARD_NUMAKER_PFM_M467
-	bool "NUVOTON PFM M467 Development Board"
-	depends on SOC_M467
+	select SOC_FLASH_NUMAKER

boards/nuvoton/numaker_pfm/Kconfig.numaker_pfm

@@ -0,0 +1,9 @@
+# SPDX-License-Identifier: Apache-2.0
+#
+# Nuvoton PFM M467 board configuration
+#
+# Copyright (c) 2023 Nuvoton Technology Corporation.
+
+config BOARD_NUMAKER_PFM_M467
+	bool
+	select SOC_M467

boards/nuvoton/numaker_pfm/board.yml

@@ -0,0 +1,5 @@
+board:
+  name: numaker_pfm
+  vendor: Nuvoton
+  socs:
+  - name: m467

boards/nuvoton/numaker_pfm/doc/index.rst

@@ -75,7 +75,7 @@ run a serial host program to connect with your board. For example:
 
 .. zephyr-app-commands::
    :zephyr-app: samples/hello_world
-   :board: numaker_pfm_m467
+   :board: numaker_pfm/m467
    :goals: flash
 
 Debugging
@@ -85,7 +85,7 @@ Here is an example for the :ref:`hello_world` application.
 
 .. zephyr-app-commands::
    :zephyr-app: samples/hello_world
-   :board: numaker_pfm_m467
+   :board: numaker_pfm/m467
    :goals: debug
 
 Step through the application in your debugger.

boards/nuvoton/numaker_pfm/numaker_pfm_m467_defconfig

@@ -1,7 +1,5 @@
 # SPDX-License-Identifier: Apache-2.0
 
-CONFIG_SOC_SERIES_M46X=y
-CONFIG_SOC_M467=y
 CONFIG_PINCTRL=y
 CONFIG_GPIO=y
 
@@ -23,4 +21,3 @@ CONFIG_UART_CONSOLE=y
 
 # Enable FMC
 CONFIG_FLASH=y
-CONFIG_SOC_FLASH_NUMAKER=y