boot: zephyr: boards: Include default partitions

Include default Sys-Build 2M partitions for RPI Pico W.

Signed-off-by: John Lin <john.lin@beechwoods.com>

Author: jlbwoods

boot/zephyr/boards/rpi_pico_rp2040_w.overlay

@@ -0,0 +1,12 @@
+/*
+ * Copyright (c) 2025 Beechwoods Software Inc.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/ {
+	chosen {
+    /delete-node/ zephyr,code-partition;
+		zephyr,code-partition = &boot_partition;
+	};
+};