kipper: Hex-edit qmuxd to load qmi_config.xml from /vendor

sed -i "s|/system/etc/data/qmi_config.xml|/vendor/etc/data/qmi_config.xml|g" kipper/proprietary/vendor/bin/qmuxd

Change-Id: I50e5a6d7d9cc3a632f3e9e80c8ab78e35ff1daab