boards: Convert olimex_stm32_h103 to HWM v2

Port the board to HWMv2.

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

boards/arm/olimex_stm32_h103/Kconfig.board

@@ -1,8 +0,0 @@
-# OLIMEX-STM32-H103 board configuration
-
-# Copyright (c) 2020, Josep Puigdemont
-# SPDX-License-Identifier: Apache-2.0
-
-config BOARD_OLIMEX_STM32_H103
-	bool "OLIMEX-STM32-H103 Development Board"
-	depends on SOC_STM32F103XB

boards/arm/olimex_stm32_h103/Kconfig.defconfig

@@ -1,11 +0,0 @@
-# OLIMEX-STM32-H103 board configuration
-
-# Copyright (c) 2020, Josep Puigdemont
-# SPDX-License-Identifier: Apache-2.0
-
-if BOARD_OLIMEX_STM32_H103
-
-config BOARD
-	default "olimex_stm32_h103"
-
-endif # BOARD_OLIMEX_STM32_H103

boards/v2/olimex/olimex_stm32_h103/Kconfig.olimex_stm32_h103

@@ -0,0 +1,5 @@
+# Copyright (c) 2020, Josep Puigdemont
+# SPDX-License-Identifier: Apache-2.0
+
+config BOARD_OLIMEX_STM32_H103
+	select SOC_STM32F103XB

boards/v2/olimex/olimex_stm32_h103/board.yml

@@ -0,0 +1,5 @@
+board:
+  name: olimex_stm32_h103
+  vendor: olimex
+  socs:
+    - name: stm32f103xb

boards/v2/olimex/olimex_stm32_h103/olimex_stm32_h103_defconfig

@@ -1,8 +1,5 @@
 # SPDX-License-Identifier: Apache-2.0
 
-CONFIG_SOC_SERIES_STM32F1X=y
-CONFIG_SOC_STM32F103XB=y
-
 # enable uart driver
 CONFIG_SERIAL=y
 # enable console