Moved common tool utility functions to src/mbug_utils.h
Bugfix in function strcmp_upper()
mbug_2820.py: Add function set_mode(), sets the acquisition mode.
Added set_interface to open proedure to reset endpoints
Remove set_altinterface again. Hangs communication.
2151: Add target LUC308554
2151: Fixed dim function for FiF 7008 targets
Fixed buffer handling bug in libusb0.py
2151 target DMV7008: Fixed dimming functionality in cmd line tool
Workaround for xHCI buffer toggle sync bug on Linux