samba: deprecate package due to EOL

Samba 3.6.x is now EOL, people should move to samba4.

See: https://www.samba.org/samba/history/samba-4.2.0.html



Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>