Add "Vostro 3555", "Inspiron N311z", and "Inspiron M5110" into quirks,
so that they could have touchpad LED function work.
Signed-off-by: AceLan Kao <acelan.kao@canonical.com> Signed-off-by: Matthew Garrett <mjg@redhat.com> Signed-off-by: Ben Hutchings <ben@decadent.org.uk>