qt-mobility: fix QA warnings

qt-mobility: fix QA warnings

Fix the following warnings:

WARNING: QA Issue: package qt-mobility-x11 contains bad RPATH /home/user/qt/lib:/home/user/qt/lib${WORKDIR}/qt-mobility-opensource-src-1.2.0/lib:/home/user/qt/lib/media/large/tmp/sysroots/qemux86/usr/lib:/home/user/qt/lib/usr/lib in file ${WORKDIR}/packages-split/qt-mobility-x11/usr/bin/qt4/examples/QtMobility/qml_device
WARNING: QA Issue: package qt-mobility-x11 contains bad RPATH /home/user/qt/lib:/home/user/qt/lib${WORKDIR}/qt-mobility-opensource-src-1.2.0/lib:/home/user/qt/lib/media/large/tmp/sysroots/qemux86/usr/lib:/home/user/qt/lib/usr/lib in file ${WORKDIR}/packages-split/qt-mobility-x11/usr/bin/qt4/examples/QtMobility/qml_device

(From OE-Core rev: de5a8e843d85b4d08cc5b75ec10709e96a709a90)

Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>