boards: riscv: m2gl025_miv: Convert to v2

Converts the board to hwmv2

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

boards/boards_legacy/riscv/m2gl025_miv/Kconfig.board

@@ -1,5 +0,0 @@
-# SPDX-License-Identifier: Apache-2.0
-
-config BOARD_M2GL025_MIV
-	bool "Microchip M2GL025 IGLOO2 dev board with Mi-V CPU"
-	depends on SOC_MIV

boards/boards_legacy/riscv/m2gl025_miv/Kconfig.defconfig

@@ -1,5 +0,0 @@
-# SPDX-License-Identifier: Apache-2.0
-
-config BOARD
-	default "m2gl025_miv"
-	depends on BOARD_M2GL025_MIV

boards/microchip/m2gl025_miv/Kconfig.m2gl025_miv

@@ -0,0 +1,5 @@
+# Copyright (c) 2018 Linaro Limited
+# SPDX-License-Identifier: Apache-2.0
+
+config BOARD_M2GL025_MIV
+	select SOC_MIV

boards/microchip/m2gl025_miv/board.yml

@@ -0,0 +1,5 @@
+board:
+  name: m2gl025_miv
+  vendor: Microchip
+  socs:
+  - name: miv

boards/microchip/m2gl025_miv/m2gl025_miv_defconfig

@@ -1,8 +1,5 @@
 # SPDX-License-Identifier: Apache-2.0
 
-CONFIG_SOC_SERIES_MIV=y
-CONFIG_SOC_MIV=y
-CONFIG_BOARD_M2GL025_MIV=y
 CONFIG_CONSOLE=y
 CONFIG_SERIAL=y
 CONFIG_UART_CONSOLE=y