Qt Location was going to be a full add-on module for Qt 5.0, but it was cut and reworked instead. As of Qt 5.5, Qt Location is listed as a Technology Preview, which suggests it will be a standard module soon.
Here's a couple quotes about why it was cut and how it was reworked:
Unfortunately, some modules either lost their maintainers, or their
quality was not up to scratch, so they were excluded from the Qt 5.0.0
release. Qt Location did not make the cut, and its code base still
requires lots of cleaning up.
The plan is to include those modules when they are ready though.
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A lot of the components in Qt Location have been converted to value
types. Previously components such as Coordinate, GeoCircle,
GeoRectangle etc were QObjects. Now they are value types which
provides a much nicer API.
By the way, Nokia is no longer involved in the development of Qt. I would not recommend downloading an old SDK from Nokia. You can get the most recent release from http://qt.io/download