Changes: Do not build unnecessary empty docs, tests and benchmarks packages if they were disabled.
Changes: Do not build unnecessary empty docs, tests and benchmarks packages if they were disabled.

RevBy: Armin Berres

nemomobile-graveyard/libmeegotouch,nemomobile-graveyard/libmeegotouch,nemomobile-graveyard/libmeegotouch,nemomobile-graveyard/libmeegotouch,nemomobile-graveyard/libmeegotouch,nemomobile-graveyard/libmeegotouch