kbuild: Mark that the packages generated conform to Standards-Version 3.8.4

The packages generated by the builddeb script conform to the Debian
Policy version 3.8.4. Make this explicit in the generated packages.
Signed-off-by: NRogério Brito <rbrito@ime.usp.br>
Signed-off-by: NMichal Marek <mmarek@suse.cz>

scripts/package/builddeb

@@ -151,7 +151,7 @@ Source: linux-upstream
 Section: admin
 Priority: optional
 Maintainer: $maintainer
-Standards-Version: 3.8.1
+Standards-Version: 3.8.4
 Homepage: http://www.kernel.org/
 EOF