nrf52 fix: don't allow LFS_ASSERT to freeze the board

platformio.ini

@@ -58,6 +58,7 @@ platform = https://github.com/pioarduino/platform-espressif32/releases/download/
 extends = arduino_base
 platform = nordicnrf52
 build_flags = ${arduino_base.build_flags}
+  -D LFS_NO_ASSERT=1
   -D NRF52_PLATFORM
 
 [nrf52840_base]