xfce4-settings: get option to hide mousepointer for (touch) input devices back

All patches used in oe were added to the used git repo. This makes life easier
for next versions coming up and is helps getting binary mouse cursors applied.

To make clear, what the git repo contains a note in the recipe was added.

Signed-off-by: Andreas Müller <schnitzeltony@googlemail.com>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>