Lose gstreamer 1.0 patch for 5.3.1
Apply patches
Pull in qt5-qtmultimedia-plugin-audio-alsa with devel subpackage

Otherwise we get build errors like this from applications that depend
on QtMultimedia:

[   97s] CMake Error at
/usr/lib/cmake/Qt5Multimedia/Qt5MultimediaConfig.cmake:27 (message):
[   97s]   The imported target "Qt5::Multimedia" references the file
[   97s]
[   97s]      "/usr/lib/qt5/plugins/audio/libqtmedia_pulse.so"
[   97s]
[   97s]   but this file does not exist.  Possible reasons include:
[   97s]
[   97s]   * The file was deleted, renamed, or moved to another
location.
[   97s]
[   97s]   * An install or uninstall procedure did not complete
successfully.
[   97s]
[   97s]   * The installation package was faulty and contained
[   97s]
[   97s]
"/usr/lib/cmake/Qt5Multimedia/Qt5Multimedia_QPulseAudioPlugin.cmake"
[   97s]
[   97s]   but not all the files it references.