boards: arm: zybo: Convert to v2

Converts the board to hwmv2

Signed-off-by: Jamie McCrae <jamie.mccrae@nordicsemi.no>

boards/boards_legacy/arm/zybo/Kconfig.defconfig

@@ -1,11 +0,0 @@
-# Digilent Zybo board
-
-# Copyright (c) 2022 Henrik Brix Andersen <henrik@brixandersen.dk>
-# SPDX-License-Identifier: Apache-2.0
-
-if BOARD_ZYBO
-
-config BOARD
-	default "zybo"
-
-endif # BOARD_ZYBO

boards/digilent/zybo/Kconfig.zybo

@@ -4,5 +4,4 @@
 # SPDX-License-Identifier: Apache-2.0
 
 config BOARD_ZYBO
-	bool "Digilent Zybo"
-	depends on SOC_XILINX_XC7Z010
+	select SOC_XILINX_XC7Z010

boards/digilent/zybo/board.yml

@@ -0,0 +1,5 @@
+board:
+  name: zybo
+  vendor: Digilent
+  socs:
+  - name: xc7z010

boards/digilent/zybo/zybo_defconfig

@@ -1,9 +1,5 @@
 # SPDX-License-Identifier: Apache-2.0
 
-CONFIG_SOC_SERIES_XILINX_XC7ZXXX=y
-CONFIG_SOC_XILINX_XC7Z010=y
-CONFIG_BOARD_ZYBO=y
-
 # The GTC is always clocked at 1/2 of the CPU frequency (CPU_3x2x)
 CONFIG_ARM_ARCH_TIMER=y
 CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=325000000