boards: nxp: mr_canhubk3: convert to hwmv2

Convert mr_canhubk3 board to hardware model v2.

Signed-off-by: Manuel Argüelles <manuel.arguelles@nxp.com>

boards/nxp/mr_canhubk3/Kconfig.defconfig

@@ -1,11 +1,8 @@
-# Copyright 2023 NXP
+# Copyright 2023-2024 NXP
 # SPDX-License-Identifier: Apache-2.0
 
 if BOARD_MR_CANHUBK3
 
-config BOARD
-	default "mr_canhubk3"
-
 if SERIAL
 
 config UART_CONSOLE

boards/nxp/mr_canhubk3/Kconfig.mr_canhubk3

@@ -1,7 +1,6 @@
-# Copyright 2023 NXP
+# Copyright 2023-2024 NXP
 # SPDX-License-Identifier: Apache-2.0
 
 config BOARD_MR_CANHUBK3
-	bool "mr_canhubk3"
-	depends on SOC_SERIES_S32K3XX
+	select SOC_S32K344
 	select SOC_PART_NUMBER_PS32K344EHVPBS

boards/nxp/mr_canhubk3/board.yml

@@ -0,0 +1,5 @@
+board:
+  name: mr_canhubk3
+  vendor: nxp
+  socs:
+    - name: s32k344

boards/nxp/mr_canhubk3/doc/index.rst

@@ -63,7 +63,7 @@ EDMA          on-chip     dma
 ============  ==========  ================================
 
 The default configuration can be found in the Kconfig file
-:zephyr_file:`boards/arm/mr_canhubk3/mr_canhubk3_defconfig`.
+:zephyr_file:`boards/nxp/mr_canhubk3/mr_canhubk3_defconfig`.
 
 Connections and IOs
 ===================

boards/nxp/mr_canhubk3/mr_canhubk3_defconfig

@@ -1,9 +1,6 @@
-# Copyright 2023 NXP
+# Copyright 2023-2024 NXP
 # SPDX-License-Identifier: Apache-2.0
 
-CONFIG_BOARD_MR_CANHUBK3=y
-CONFIG_SOC_S32K344=y
-CONFIG_SOC_SERIES_S32K3XX=y
 CONFIG_BUILD_OUTPUT_HEX=y
 
 # Use Systick as system clock