Merge branch 'gcc-9.2.0'

Makefile

miosix/Makefile

miosix/_examples/atsam4l_lcd/main.cpp

miosix/_examples/datalogger/Logger.cpp

miosix/_examples/datalogger/Logger.h

miosix/_examples/datalogger/Makefile

miosix/_examples/datalogger/Readme.txt

miosix/_examples/datalogger/main.cpp

miosix/_examples/sad_trombone/Makefile

miosix/_examples/streamwriter/streamwriter.cpp

miosix/_tools/compiler/gcc-9.2.0-mp3.1/Readme.txt

...ix/_tools/compiler/gcc-9.2.0-mp3.1/autotools/Autohell.txt

miosix/_tools/compiler/gcc-9.2.0-mp3.1/cleanup.sh

miosix/_tools/compiler/gcc-9.2.0-mp3.1/download.sh

miosix/_tools/compiler/gcc-9.2.0-mp3.1/install-script.sh

...ompiler/gcc-9.2.0-mp3.1/installers/additional-download.sh

.../compiler/gcc-9.2.0-mp3.1/installers/checkdeps-windows.sh

...x/_tools/compiler/gcc-9.2.0-mp3.1/installers/checkdeps.sh

...ls/compiler/gcc-9.2.0-mp3.1/installers/linux/installer.sh

...er/gcc-9.2.0-mp3.1/installers/windows/MiosixInstaller.iss