boards: arm: efm32wg_stk3800: Convert to v2

Converts the board to hwmv2

Signed-off-by: Jamie McCrae <[email protected]>

Author: nordicjm

boards/boards_legacy/arm/efm32wg_stk3800/Kconfig.defconfig renamed to boards/silabs/efm32wg_stk3800/Kconfig.defconfig

@@ -5,9 +5,6 @@
 
 if BOARD_EFM32WG_STK3800
 
-config BOARD
-	default "efm32wg_stk3800"
-
 config CMU_HFXO_FREQ
 	default 48000000
 

boards/boards_legacy/arm/efm32wg_stk3800/Kconfig.board renamed to boards/silabs/efm32wg_stk3800/Kconfig.efm32wg_stk3800

@@ -4,6 +4,4 @@
 # SPDX-License-Identifier: Apache-2.0
 
 config BOARD_EFM32WG_STK3800
-	bool "SiLabs EFM32WG-STK3800 (Wonder Gecko)"
-	depends on SOC_SERIES_EFM32WG
 	select SOC_PART_NUMBER_EFM32WG990F256

boards/boards_legacy/arm/efm32wg_stk3800/board.cmake renamed to boards/silabs/efm32wg_stk3800/board.cmake

@@ -0,0 +1,5 @@
+board:
+  name: efm32wg_stk3800
+  vendor: silabs
+  socs:
+  - name: efm32wg990f256

boards/silabs/efm32wg_stk3800/board.yml

@@ -1,7 +1,5 @@
 # SPDX-License-Identifier: Apache-2.0
 
-CONFIG_SOC_SERIES_EFM32WG=y
-CONFIG_BOARD_EFM32WG_STK3800=y
 CONFIG_ARM_MPU=y
 CONFIG_CONSOLE=y
 CONFIG_UART_CONSOLE=y