If target supports flash algo, it can get common HAL implementation, providing
feature "HAL_FLASH_CMSIS_ALGO". This simplifies target code, and having
one implementation that can be shared by many targets.
Be careful with flash cmsis algo, in some cases they execute code that
can affect the system. For instance, it can disable cache, or affect
some system clocks. Therefore this feature should be well tested.
0xc0170