stm32cube: update stm32l4 to version V1.15.1

   Update Cube version for STM32L4xx series
   on https://github.com/STMicroelectronics
   from version v1.14.0
   to version v1.15.1

Signed-off-by: Francois Ramu <francois.ramu@st.com>
173 files changed
tree: a033317e2404a4b3b9a5196114127ee162d98abf
  1. CMakeLists.txt
  2. README.rst
  3. lib/
  4. scripts/
  5. stm32cube/
  6. zephyr/