boards: arm: npcx9m6f_evb: Convert to v2

Converts the board to hwmv2

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

boards/nuvoton/npcx9m6f_evb/Kconfig.defconfig

@@ -1,13 +1,6 @@
 # Copyright (c) 2021 Nuvoton Technology Corporation.
 # SPDX-License-Identifier: Apache-2.0
 
-if BOARD_NPCX9M6F_EVB
-
-config BOARD
-	default "npcx9m6f_evb"
-
-endif # BOARD_NPCX9M6F_EVB
-
 config SYS_CLOCK_TICKS_PER_SEC
 	default 1000
 

boards/nuvoton/npcx9m6f_evb/Kconfig.npcx9m6f_evb

@@ -2,5 +2,4 @@
 # SPDX-License-Identifier: Apache-2.0
 
 config BOARD_NPCX9M6F_EVB
-	bool "Nuvoton NPCX9M6F EVB Development board"
-	depends on SOC_NPCX9M6F
+	select SOC_NPCX9M6F

boards/nuvoton/npcx9m6f_evb/board.yml

@@ -0,0 +1,5 @@
+board:
+  name: npcx9m6f_evb
+  vendor: Nuvoton
+  socs:
+  - name: npcx9m6f

boards/nuvoton/npcx9m6f_evb/npcx9m6f_evb_defconfig

@@ -4,10 +4,6 @@
 # SPDX-License-Identifier: Apache-2.0
 #
 
-CONFIG_SOC_NPCX9M6F=y
-CONFIG_SOC_SERIES_NPCX9=y
-CONFIG_BOARD_NPCX9M6F_EVB=y
-
 # Enable NPCX firmware header
 CONFIG_NPCX_HEADER=y
 CONFIG_NPCX_IMAGE_OUTPUT_HEX=y