boards: Convert olimexino_stm32 to HWM v2

Port the board to HWMv2.

Signed-off-by: Erwan Gouriou <erwan.gouriou@st.com>

boards/v2/olimex/olimexino_stm32/Kconfig.defconfig

@@ -5,9 +5,6 @@
 
 if BOARD_OLIMEXINO_STM32
 
-config BOARD
-	default "olimexino_stm32"
-
 config SPI_STM32_INTERRUPT
 	default y
 	depends on SPI

boards/v2/olimex/olimexino_stm32/Kconfig.olimexino_stm32

@@ -1,8 +1,5 @@
-# OLIMEXINO-STM32 board configuration
-
 # Copyright (c) 2016, I-SENSE group of ICCS
 # SPDX-License-Identifier: Apache-2.0
 
 config BOARD_OLIMEXINO_STM32
-	bool "OLIMEXINO-STM32 Development Board"
-	depends on SOC_STM32F103XB
+	select SOC_STM32F103XB

boards/v2/olimex/olimexino_stm32/board.yml

@@ -0,0 +1,5 @@
+board:
+  name: olimexino_stm32
+  vendor: olimex
+  socs:
+    - name: stm32f103xb

boards/v2/olimex/olimexino_stm32/olimexino_stm32_defconfig

@@ -1,8 +1,5 @@
 # SPDX-License-Identifier: Apache-2.0
 
-CONFIG_SOC_SERIES_STM32F1X=y
-CONFIG_SOC_STM32F103XB=y
-
 # Enable MPU
 CONFIG_ARM_MPU=y