phonon: add packageconfig for qml-plugin and designer-plugin
phonon: add packageconfig for qml-plugin and designer-plugin

Note that qml-plugin fails currently with:
| /home/a.mueller/tmp/oe-core-glibc/work/cortexa9hf-vfp-neon-angstrom-linux-gnueabi/phonon/4.8-r0/git/phonon/graphicsview/glpainter.cpp:119:53: error: 'GL_TEXTURE_PRIORITY' was not declared in this scope
|             glTexParameterf(m_texDescriptor.target, GL_TEXTURE_PRIORITY, 1.0);
|                                                     ^
| /home/a.mueller/tmp/oe-core-glibc/work/cortexa9hf-vfp-neon-angstrom-linux-gnueabi/phonon/4.8-r0/git/phonon/graphicsview/glpainter.cpp:120:23: error: 'GL_TEXTURE_ENV' was not declared in this scope
|             glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
|                       ^
| /home/a.mueller/tmp/oe-core-glibc/work/cortexa9hf-vfp-neon-angstrom-linux-gnueabi/phonon/4.8-r0/git/phonon/graphicsview/glpainter.cpp:120:39: error: 'GL_TEXTURE_ENV_MODE' was not declared in this scope
|             glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
|                                       ^
| /home/a.mueller/tmp/oe-core-glibc/work/cortexa9hf-vfp-neon-angstrom-linux-gnueabi/phonon/4.8-r0/git/phonon/graphicsview/glpainter.cpp:120:60: error: 'GL_MODULATE' was not declared in this scope
|             glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
|                                                            ^
| /home/a.mueller/tmp/oe-core-glibc/work/cortexa9hf-vfp-neon-angstrom-linux-gnueabi/phonon/4.8-r0/git/phonon/graphicsview/glpainter.cpp:120:71: error: 'glTexEnvf' was not declared in this scope
|             glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
|                                                                       ^

Signed-off-by: Andreas Müller <d72a15aaaca3a7afa855175c72dc8d2e05931e32@googlemail.com>

schnitzeltony/meta-qt5-extra,schnitzeltony/meta-qt5-extra,schnitzeltony/meta-qt5-extra