Add support for Mouse Scrollwheel to the MouseHostWithParser demos.

...ost/ClassDriver/MouseHostWithParser/MouseHostWithParser.c

...ost/ClassDriver/MouseHostWithParser/MouseHostWithParser.h

...t/ClassDriver/MouseHostWithParser/MouseHostWithParser.txt

Demos/Host/LowLevel/CDCHost/ConfigDescriptor.c

Demos/Host/LowLevel/GenericHIDHost/ConfigDescriptor.c

...s/Host/LowLevel/JoystickHostWithParser/ConfigDescriptor.c

Demos/Host/LowLevel/KeyboardHost/ConfigDescriptor.c

...s/Host/LowLevel/KeyboardHostWithParser/ConfigDescriptor.c

Demos/Host/LowLevel/MIDIHost/ConfigDescriptor.c

Demos/Host/LowLevel/MassStorageHost/ConfigDescriptor.c

Demos/Host/LowLevel/MouseHost/ConfigDescriptor.c

Demos/Host/LowLevel/MouseHostWithParser/ConfigDescriptor.c

Demos/Host/LowLevel/MouseHostWithParser/HIDReport.h

...s/Host/LowLevel/MouseHostWithParser/MouseHostWithParser.c

...Host/LowLevel/MouseHostWithParser/MouseHostWithParser.txt

Demos/Host/LowLevel/PrinterHost/ConfigDescriptor.c

Demos/Host/LowLevel/StillImageHost/ConfigDescriptor.c