rp2/boards/RPI_PICO2_W: Add new Pico 2 W board definition.

Signed-off-by: Peter Harper <peter.harper@raspberrypi.com>

ports/rp2/boards/RPI_PICO2_W/board.json

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+{
+    "deploy": [
+        "../deploy.md"
+    ],
+    "docs": "",
+    "features": [
+        "BLE",
+        "Dual-core",
+        "External Flash",
+        "USB",
+        "WiFi"
+    ],
+    "images": [
+        "rp2-pico2-w.jpg"
+    ],
+    "mcu": "rp2350",
+    "product": "Pico 2 W",
+    "thumbnail": "",
+    "url": "https://www.raspberrypi.com/products/raspberry-pi-pico-2/",
+    "vendor": "Raspberry Pi"
+}

ports/rp2/boards/RPI_PICO2_W/manifest.py

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+include("$(PORT_DIR)/boards/manifest.py")
+
+require("bundle-networking")
+
+# Bluetooth
+require("aioble")

ports/rp2/boards/RPI_PICO2_W/mpconfigboard.cmake

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+# cmake file for Raspberry Pi Pico 2 W
+
+set(PICO_BOARD "pico2_w")
+
+# To change the gpio count for QFN-80
+# set(PICO_NUM_GPIOS 48)
+
+set(MICROPY_PY_LWIP ON)
+set(MICROPY_PY_NETWORK_CYW43 ON)
+
+# Bluetooth
+set(MICROPY_PY_BLUETOOTH ON)
+set(MICROPY_BLUETOOTH_BTSTACK ON)
+set(MICROPY_PY_BLUETOOTH_CYW43 ON)
+
+# Board specific version of the frozen manifest
+set(MICROPY_FROZEN_MANIFEST ${MICROPY_BOARD_DIR}/manifest.py)

ports/rp2/boards/RPI_PICO2_W/mpconfigboard.h

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+// Board and hardware specific configuration
+#define MICROPY_HW_BOARD_NAME                   "Raspberry Pi Pico 2 W"
+#define MICROPY_HW_FLASH_STORAGE_BYTES          (PICO_FLASH_SIZE_BYTES - 1536 * 1024)
+
+// Enable networking.
+#define MICROPY_PY_NETWORK 1
+#define MICROPY_PY_NETWORK_HOSTNAME_DEFAULT     "Pico2W"
+
+// CYW43 driver configuration.
+#define CYW43_USE_SPI (1)
+#define CYW43_LWIP (1)
+#define CYW43_GPIO (1)
+#define CYW43_SPI_PIO (1)
+
+// For debugging mbedtls - also set
+// Debug level (0-4) 1=warning, 2=info, 3=debug, 4=verbose
+// #define MODUSSL_MBEDTLS_DEBUG_LEVEL 1
+
+#define MICROPY_HW_PIN_EXT_COUNT    CYW43_WL_GPIO_COUNT
+
+int mp_hal_is_pin_reserved(int n);
+#define MICROPY_HW_PIN_RESERVED(i) mp_hal_is_pin_reserved(i)

ports/rp2/boards/RPI_PICO2_W/mpconfigvariant.cmake

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+set(PICO_PLATFORM "rp2350")

ports/rp2/boards/RPI_PICO2_W/pins.csv

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+GP0,GPIO0
+GP1,GPIO1
+GP2,GPIO2
+GP3,GPIO3
+GP4,GPIO4
+GP5,GPIO5
+GP6,GPIO6
+GP7,GPIO7
+GP8,GPIO8
+GP9,GPIO9
+GP10,GPIO10
+GP11,GPIO11
+GP12,GPIO12
+GP13,GPIO13
+GP14,GPIO14
+GP15,GPIO15
+GP16,GPIO16
+GP17,GPIO17
+GP18,GPIO18
+GP19,GPIO19
+GP20,GPIO20
+GP21,GPIO21
+GP22,GPIO22
+GP26,GPIO26
+GP27,GPIO27
+GP28,GPIO28
+WL_GPIO0,EXT_GPIO0
+WL_GPIO1,EXT_GPIO1
+WL_GPIO2,EXT_GPIO2
+LED,EXT_GPIO0