History for mbed-os / targets / TARGET_STM / TARGET_STM32WL / TARGET_STM32WLE4x8 / TOOLCHAIN_IAR / stm32wle4x8.icf

Add code concerning all STM32WL55xC platforms
- Scatter loader and start-up files for
  ARM, GCC and IAR compilers.
- cmsis file
- Update CMakeLists.txt due to mbtools evolution