boards: Convert nucleo_u5a5zj_q to HWM v2

Port the board to HWMv2.

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

boards/boards_legacy/arm/nucleo_u5a5zj_q/Kconfig.board

@@ -1,8 +0,0 @@
-# STM32U5A5ZJ Q Nucleo board configuration
-
-# Copyright (c) 2023 STMicroelectronics
-# SPDX-License-Identifier: Apache-2.0
-
-config BOARD_NUCLEO_U5A5ZJ_Q
-	bool "Nucleo U5A5ZJ Q Development Board"
-	depends on SOC_STM32U5A5XX

boards/boards_legacy/arm/nucleo_u5a5zj_q/Kconfig.defconfig

@@ -1,11 +0,0 @@
-# STM32U5A5ZJ Q Nucleo board configuration
-
-# Copyright (c) 2023 STMicroelectronics
-# SPDX-License-Identifier: Apache-2.0
-
-if BOARD_NUCLEO_U5A5ZJ_Q
-
-config BOARD
-	default "nucleo_u5a5zj_q"
-
-endif # BOARD_NUCLEO_U5A5ZJ_Q

boards/st/nucleo_u5a5zj_q/Kconfig.nucleo_u5a5zj_q

@@ -0,0 +1,5 @@
+# Copyright (c) 2023 STMicroelectronics
+# SPDX-License-Identifier: Apache-2.0
+
+config BOARD_NUCLEO_U5A5ZJ_Q
+	select SOC_STM32U5A5XX

boards/st/nucleo_u5a5zj_q/board.yml

@@ -0,0 +1,5 @@
+board:
+  name: nucleo_u5a5zj_q
+  vendor: st
+  socs:
+    - name: stm32u5a5xx

boards/st/nucleo_u5a5zj_q/doc/index.rst

@@ -210,7 +210,7 @@ The Zephyr nucleo_u5a5zj_q board configuration supports the following hardware f
 Other hardware features are not yet supported on this Zephyr port.
 
 The default configuration can be found in the defconfig file:
-``boards/arm/nucleo_u5a5zj_q/nucleo_u5a5zj_q_defconfig``
+:zephyr_file:`boards/st/nucleo_u5a5zj_q/nucleo_u5a5zj_q_defconfig`
 
 
 Connections and IOs

boards/st/nucleo_u5a5zj_q/nucleo_u5a5zj_q_defconfig

@@ -1,8 +1,5 @@
 # SPDX-License-Identifier: Apache-2.0
 
-CONFIG_SOC_SERIES_STM32U5X=y
-CONFIG_SOC_STM32U5A5XX=y
-
 # enable uart driver
 CONFIG_SERIAL=y