SW: ship xserver-xorg-video-intel with grml32-full

Quoting from the package description:

| The use of this driver is discouraged if your hw is new enough (ca.
| 2007 and newer). You can try uninstalling this driver and let the
| server use its builtin modesetting driver instead.

Related to grml/grml#203

etc/grml/fai/config/package_config/GRML_FULL

@@ -370,6 +370,9 @@ grml-terminalserver
 # firmware updates
 fwupd-i386-signed
 
+# X - not relevant on more recent systems, so ship on i386 only
+xserver-xorg-video-intel
+
 PACKAGES install AMD64
 # kernel related
 linux-image-amd64