implement littlefs for stm32 (#5987)

Co-authored-by: GUVWAF <78759985+GUVWAF@users.noreply.github.com>
Co-authored-by: Ben Meadors <benmmeadors@gmail.com>
Co-authored-by: Daniel Peter Chokola <dan.chokola@gmail.com>
Co-authored-by: Mark Trevor Birss <markbirss@gmail.com>
Co-authored-by: Austin <vidplace7@gmail.com>

arch/stm32/stm32.ini

@@ -1,13 +1,14 @@
 [stm32_base]
 extends = arduino_base
-platform = platformio/ststm32
-platform_packages = platformio/framework-arduinoststm32@^4.20900.0
+platform = ststm32
+platform_packages = platformio/framework-arduinoststm32@https://github.com/stm32duino/Arduino_Core_STM32.git#2.9.0
+extra_scripts =
+  ${env.extra_scripts}
+  post:extra_scripts/extra_stm32.py
 
 build_type = release
 
-;board_build.flash_offset = 0x08000000
-
-build_flags = 
+build_flags =
   ${arduino_base.build_flags}
   -flto
   -Isrc/platform/stm32wl -g
@@ -18,27 +19,24 @@ build_flags =
   -DMESHTASTIC_EXCLUDE_SCREEN
   -DMESHTASTIC_EXCLUDE_MQTT
   -DMESHTASTIC_EXCLUDE_BLUETOOTH
-  -DMESHTASTIC_EXCLUDE_PKI
   -DMESHTASTIC_EXCLUDE_GPS
-;  -DVECT_TAB_OFFSET=0x08000000
-  -DconfigUSE_CMSIS_RTOS_V2=1
-;  -DSPI_MODE_0=SPI_MODE0
+  ;-DDEBUG_MUTE
   -fmerge-all-constants
   -ffunction-sections
   -fdata-sections
-  
-build_src_filter = 
+
+build_src_filter =
   ${arduino_base.build_src_filter} -<platform/esp32/> -<nimble/> -<mesh/api/> -<mesh/wifi/> -<mesh/http/> -<modules/esp32> -<mesh/eth/> -<input> -<buzz> -<modules/RemoteHardwareModule.cpp> -<platform/nrf52> -<platform/portduino> -<platform/rp2xx0> -<mesh/raspihttp>
 
 board_upload.offset_address = 0x08000000
 upload_protocol = stlink
+debug_tool = stlink
 
 lib_deps =
   ${env.lib_deps}
-  charlesbaynham/OSFS@^1.2.3
-  jgromes/RadioLib@7.0.2
-  https://github.com/caveman99/Crypto.git#f61ae26a53f7a2d0ba5511625b8bf8eff3a35d5e
+  ${radiolib_base.lib_deps}
+  https://github.com/caveman99/Crypto.git#eae9c768054118a9399690f8af202853d1ae8516
 
 lib_ignore =
   mathertel/OneButton@2.6.1
-  Wire
+  Wire