boards: nxp: convert lpcxpresso51u68 to hwmv2

Convert lpcxpresso51u68

Signed-off-by: David Leach <[email protected]>

Author: dleach02

boards/boards_legacy/arm/lpcxpresso51u68/Kconfig.defconfig

@@ -1,9 +1,8 @@
-# LPCXpresso51U68 board
-
 # Copyright (c) 2021 metraTec GmbH
+# Copyright 2024 NXP
+#
 # SPDX-License-Identifier: Apache-2.0
 
 config BOARD_LPCXPRESSO51U68
-	bool "NXP LPCXPRESSO-51U68"
-	depends on SOC_SERIES_LPC51U68
+	select SOC_LPC51U68
 	select SOC_PART_NUMBER_LPC51U68JBD64

boards/boards_legacy/arm/lpcxpresso51u68/Kconfig.board renamed to boards/nxp/lpcxpresso51u68/Kconfig.lpcxpresso51u68

@@ -0,0 +1,5 @@
+board:
+  name: lpcxpresso51u68
+  vendor: nxp
+  socs:
+    - name: lpc51u68

boards/boards_legacy/arm/lpcxpresso51u68/board.cmake renamed to boards/nxp/lpcxpresso51u68/board.cmake

@@ -1,6 +1,3 @@
-CONFIG_SOC_SERIES_LPC51U68=y
-CONFIG_SOC_LPC51U68=y
-CONFIG_BOARD_LPCXPRESSO51U68=y
 CONFIG_CONSOLE=y
 CONFIG_UART_CONSOLE=y
 CONFIG_SERIAL=y