qt5-git.inc: set CVE_PRODUCT to qt
qt5-git.inc: set CVE_PRODUCT to qt

It is used in NVD for CVE's like:

https://nvd.nist.gov/vuln/detail/CVE-2015-1860

Signed-off-by: Mikko Rapeli <2e21e1b6c51754ec8fff174195e04d29e999b535@bmw.de>
Signed-off-by: Martin Jansa <516df3ff67e1fa5d153800b15fb204c0a1a389dc@gmail.com>

meta-qt5/meta-qt5,sapiippo/meta-qt5,meta-qt5/meta-qt5,schnitzeltony/meta-qt5,kraj/meta-qt5,kraj/meta-qt5,schnitzeltony/meta-qt5,sapiippo/meta-qt5