boards: Convert blackpill_f401ce to HWM v2

Port the board to HWMv2.

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

boards/boards_legacy/arm/blackpill_f401ce/Kconfig.board

@@ -1,8 +0,0 @@
-# Copyright (c) 2020 Kalyan Sriram
-# SPDX-License-Identifier: Apache-2.0
-
-# STM32F401CE based Black Pill V3.0+ board configuration
-
-config BOARD_BLACKPILL_F401CE
-	bool "WeAct Studio Black Pill V3.0+ Board"
-	depends on SOC_STM32F401XE

boards/weact/blackpill_f401ce/Kconfig.blackpill_f401ce

@@ -0,0 +1,5 @@
+# Copyright (c) 2020 Kalyan Sriram
+# SPDX-License-Identifier: Apache-2.0
+
+config BOARD_BLACKPILL_F401CE
+	select SOC_STM32F401XE

boards/weact/blackpill_f401ce/Kconfig.defconfig

@@ -5,9 +5,6 @@
 
 if BOARD_BLACKPILL_F401CE
 
-config BOARD
-	default "blackpill_f401ce"
-
 config SPI_STM32_INTERRUPT
 	default y
 	depends on SPI

boards/weact/blackpill_f401ce/blackpill_f401ce_defconfig

@@ -1,8 +1,5 @@
 # SPDX-License-Identifier: Apache-2.0
 
-CONFIG_SOC_SERIES_STM32F4X=y
-CONFIG_SOC_STM32F401XE=y
-
 # Enable MPU
 CONFIG_ARM_MPU=y
 

boards/weact/blackpill_f401ce/board.yml

@@ -0,0 +1,5 @@
+board:
+  name: blackpill_f401ce
+  vendor: weact
+  socs:
+    - name: stm32f401xe