boards: Convert swan_r5 to HWM v2

Port the board to HWMv2.

Signed-off-by: Guillaume Gautier <guillaume.gautier-ext@st.com>

boards/blues/swan_r5/Kconfig.defconfig

@@ -5,9 +5,6 @@
 
 if BOARD_SWAN_R5
 
-config BOARD
-	default "swan_r5"
-
 config SPI_STM32_INTERRUPT
 	default y
 	depends on SPI

boards/blues/swan_r5/Kconfig.swan_r5

@@ -0,0 +1,5 @@
+# Copyright (c) 2022 Blues Inc.
+# SPDX-License-Identifier: Apache-2.0
+
+config BOARD_SWAN_R5
+	select SOC_STM32L4R5XX

boards/blues/swan_r5/board.yml

@@ -0,0 +1,5 @@
+board:
+  name: swan_r5
+  vendor: blues
+  socs:
+    - name: stm32l4r5xx

boards/blues/swan_r5/doc/index.rst

@@ -121,7 +121,7 @@ hardware features:
 Other hardware features are not yet supported on this Zephyr port.
 
 The default configuration can be found in the defconfig file:
-``boards/arm/swan_r5/swan_r5_defconfig``
+``boards/blues/swan_r5/swan_r5_defconfig``
 
 
 Connections and IOs

boards/blues/swan_r5/swan_r5_defconfig

@@ -1,8 +1,5 @@
 # SPDX-License-Identifier: Apache-2.0
 
-CONFIG_SOC_SERIES_STM32L4X=y
-CONFIG_SOC_STM32L4R5XX=y
-
 # enable uart driver
 CONFIG_SERIAL=y
 

boards/boards_legacy/arm/swan_r5/Kconfig.board

@@ -1,8 +0,0 @@
-# Blues Wireless Swan board configuration
-
-# Copyright (c) 2022 Blues Inc.
-# SPDX-License-Identifier: Apache-2.0
-
-config BOARD_SWAN_R5
-	bool "Blues Wireless Swan Development Board"
-	depends on SOC_STM32L4R5XX