Use correct naming for Nano 33 BLE

Author: facchinm

boards.txt

@@ -66,7 +66,7 @@ envie_m4.upload.native_usb=false
 
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-nano33ble.name=Arduino Nano33BLE
+nano33ble.name=Arduino Nano 33 BLE
 nano33ble.build.core=arduino
 nano33ble.build.crossprefix=arm-none-eabi-
 nano33ble.build.compiler_path={runtime.tools.arm-none-eabi-gcc.path}/bin/