wine: Bump to version 1.8

Bumping to brand new stable version 1.8

Upstreamed patches are dropped, sane patch is rebased.
Adding libpcap, pulseaudio and samba4 as soft dependencies.
sfnt2fon moved to its own subfolder and needs to be built in host-wine.

Signed-off-by: André Hentschel <nerv@dawncrow.de>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>