boards: Convert lora_e5_mini to HWM v2

Port the board to HWMv2.

Signed-off-by: Abderrahmane Jarmouni <abderrahmane.jarmouni-ext@st.com>

boards/boards_legacy/arm/lora_e5_mini/Kconfig.defconfig

@@ -1,11 +0,0 @@
-# LoRa-E5 mini configuration
-
-# Copyright (c) 2023 Marcin Niestroj
-# SPDX-License-Identifier: Apache-2.0
-
-if BOARD_LORA_E5_MINI
-
-config BOARD
-	default "lora_e5_mini"
-
-endif # BOARD_LORA_E5_MINI

boards/seeed/lora_e5_mini/Kconfig.lora_e5_mini

@@ -1,8 +1,5 @@
-# LoRa-E5 mini configuration
-
 # Copyright (c) 2023 Marcin Niestroj
 # SPDX-License-Identifier: Apache-2.0
 
 config BOARD_LORA_E5_MINI
-	bool "LoRa E5 mini"
-	depends on SOC_STM32WLE5XX
+	select SOC_STM32WLE5XX

boards/seeed/lora_e5_mini/board.yml

@@ -0,0 +1,5 @@
+board:
+  name: lora_e5_mini
+  vendor: seeed studio
+  socs:
+    - name: stm32wle5xx

boards/seeed/lora_e5_mini/doc/index.rst

@@ -100,10 +100,10 @@ The Zephyr LoRa-E5 mini configuration supports the following hardware features:
 
 Other hardware features are not yet supported on this Zephyr port.
 
-The default configuration can be found in the defconfig and dts files:
+The default configuration can be found in:
 
-- :zephyr_file:`boards/arm/lora_e5_mini/lora_e5_mini_defconfig`
-- :zephyr_file:`boards/arm/lora_e5_mini/lora_e5_mini.dts`
+- :zephyr_file:`boards/seeed/lora_e5_mini/lora_e5_mini_defconfig`
+- :zephyr_file:`boards/seeed/lora_e5_mini/lora_e5_mini.dts`
 
 
 Connections and IOs

boards/seeed/lora_e5_mini/lora_e5_mini_defconfig

@@ -1,6 +1,3 @@
-CONFIG_SOC_SERIES_STM32WLX=y
-CONFIG_SOC_STM32WLE5XX=y
-
 # enable uart driver
 CONFIG_SERIAL=y