LXQtCreatePkgConfigFile.cmake: Makes install COMPONENT configurable
LXQtCreatePkgConfigFile.cmake: Makes install COMPONENT configurable

Devel remains the default of course.

lxde/liblxqt,ThomasVie/liblxqt,stefonarch/liblxqt,lxde/liblxqt,stefonarch/liblxqt,rbazaud/liblxqt,pmattern/liblxqt,ThomasVie/liblxqt,rbazaud/liblxqt,pmattern/liblxqt