boards: arm: riscv32_virtual: Convert to v2

Converts the board to hwmv2

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

boards/boards_legacy/riscv/riscv32_virtual/Kconfig.defconfig

@@ -1,6 +0,0 @@
-# Copyright (c) 2023 Meta
-# SPDX-License-Identifier: Apache-2.0
-
-config BOARD
-	default "riscv32_virtual"
-	depends on BOARD_RISCV32_VIRTUAL

boards/renode/riscv32_virtual/Kconfig.riscv32_virtual

@@ -2,5 +2,4 @@
 # SPDX-License-Identifier: Apache-2.0
 
 config BOARD_RISCV32_VIRTUAL
-	bool "riscv32_virtual"
-	depends on SOC_RISCV32_VIRTUAL_RENODE
+	select SOC_RISCV_VIRTUAL_RENODE

boards/renode/riscv32_virtual/board.yml

@@ -0,0 +1,5 @@
+board:
+  name: riscv32_virtual
+  vendor: renode
+  socs:
+  - name: riscv_virtual_renode

boards/renode/riscv32_virtual/riscv32_virtual_defconfig

@@ -1,8 +1,6 @@
 # Copyright (c) 2023 Meta
 # SPDX-License-Identifier: Apache-2.0
 
-CONFIG_SOC_RISCV32_VIRTUAL_RENODE=y
-CONFIG_BOARD_RISCV32_VIRTUAL=y
 CONFIG_CONSOLE=y
 CONFIG_SERIAL=y
 CONFIG_UART_CONSOLE=y