plasma-nm: add libmm-qt to DEPENDS
plasma-nm: add libmm-qt to DEPENDS

WARNING: QA Issue: plasma-nm rdepends on libmm-qt, but it isn't a build dependency? [build-deps]

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

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