boards: Convert 96b_neonkey to HWM v2

Port the board to HWMv2.

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

boards/96boards/96b_neonkey/96b_neonkey_defconfig

@@ -1,8 +1,5 @@
 # SPDX-License-Identifier: Apache-2.0
 
-CONFIG_SOC_SERIES_STM32F4X=y
-CONFIG_SOC_STM32F411XE=y
-
 # Enable MPU
 CONFIG_ARM_MPU=y
 

boards/96boards/96b_neonkey/Kconfig.96b_neonkey

@@ -1,8 +1,5 @@
-# 96Boards Neonkey Board Configuration
-
 # Copyright (c) 2017 Linaro Limited
 # SPDX-License-Identifier: Apache-2.0
 
 config BOARD_96B_NEONKEY
-	bool "96Boards Neonkey"
-	depends on SOC_STM32F411XE
+	select SOC_STM32F411XE

boards/96boards/96b_neonkey/Kconfig.defconfig

@@ -5,9 +5,6 @@
 
 if BOARD_96B_NEONKEY
 
-config BOARD
-	default "96b_neonkey"
-
 config SPI_STM32_INTERRUPT
 	default y
 	depends on SPI

boards/96boards/96b_neonkey/board.yml

@@ -0,0 +1,5 @@
+board:
+  name: 96b_neonkey
+  vendor: 96boards
+  socs:
+    - name: stm32f411xe