rp2/boards/PICO_W: Enable Bluetooth Low Energy support.

Signed-off-by: NDamien George <damien@micropython.org>

ports/rp2/boards/PICO_W/board.json

@@ -7,7 +7,8 @@
         "Breadboard friendly",
         "Castellated Pads",
         "Micro USB",
-        "WiFi"
+        "WiFi",
+        "Bluetooth"
     ],
     "id": "rp2-pico-w",
     "images": [

ports/rp2/boards/PICO_W/manifest.py

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

ports/rp2/boards/PICO_W/mpconfigboard.cmake

 # cmake file for Raspberry Pi Pico W
+
+# The C malloc is needed by cyw43-driver Bluetooth
+set(MICROPY_C_HEAP_SIZE 4096)
+
 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)