core-image-minimal-xfce: add kernel modules to image
With existing image, USB mouse and keyboard doesnt
work, it shows the GUI, adding kmod's make this possible
to get keyboard/mouse working out of box. Improves
first time experience
Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>