test: updated fat32 readme, solving #656
test: updated fat32 readme, solving #656

AndreasAakesson/IncludeOS,alfred-bratterud/IncludeOS,hioa-cs/IncludeOS,hioa-cs/IncludeOS,alfred-bratterud/IncludeOS,hioa-cs/IncludeOS,mnordsletten/IncludeOS,mnordsletten/IncludeOS,mnordsletten/IncludeOS,hioa-cs/IncludeOS,AndreasAakesson/IncludeOS,AnnikaH/IncludeOS,hioa-cs/IncludeOS,alfred-bratterud/IncludeOS,alfred-bratterud/IncludeOS,alfred-bratterud/IncludeOS,ingve/IncludeOS,mnordsletten/IncludeOS,AnnikaH/IncludeOS,AndreasAakesson/IncludeOS,ingve/IncludeOS,mnordsletten/IncludeOS,ingve/IncludeOS,AnnikaH/IncludeOS,AnnikaH/IncludeOS,mnordsletten/IncludeOS,AnnikaH/IncludeOS,AndreasAakesson/IncludeOS,ingve/IncludeOS,AndreasAakesson/IncludeOS,ingve/IncludeOS,AndreasAakesson/IncludeOS