boards: riscv: titanium_ti60_f225: Convert to v2

Converts the board to hwmv2

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

boards/boards_legacy/riscv/titanium_ti60_f225/Kconfig.defconfig

@@ -1,9 +0,0 @@
-# Copyright (c) 2023 Efinix Inc.
-# SPDX-License-Identifier: Apache-2.0
-
-if BOARD_TITANIUM_TI60_F225
-
-config BOARD
-	default "titanium_ti60_f225"
-
-endif # BOARD_TITANIUM_TI60_F225

boards/efinix/titanium_ti60_f225/Kconfig.titanium_ti60_f225

@@ -2,5 +2,4 @@
 # SPDX-License-Identifier: Apache-2.0
 
 config BOARD_TITANIUM_TI60_F225
-	bool "Board with Efinix Sapphire riscv SoC"
-	depends on SOC_EFINIX_SAPPHIRE
+	select SOC_EFINIX_SAPPHIRE

boards/efinix/titanium_ti60_f225/board.yml

@@ -0,0 +1,5 @@
+board:
+  name: titanium_ti60_f225
+  vendor: Efinix
+  socs:
+  - name: efinix_sapphire

boards/efinix/titanium_ti60_f225/titanium_ti60_f225_defconfig

@@ -1,8 +1,6 @@
 # Copyright (c) 2023 Efinix Inc.
 # SPDX-License-Identifier: Apache-2.0
 
-CONFIG_SOC_EFINIX_SAPPHIRE=y
-CONFIG_BOARD_TITANIUM_TI60_F225=y
 CONFIG_CONSOLE=y
 CONFIG_SERIAL=y
 CONFIG_UART_CONSOLE=y