eudev: link to real homepage

The Gentoo wiki page is much more informative than the download directory.
This is the official homepage according to top level README.md.

Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/eudev/Config.in

@@ -15,7 +15,7 @@ config BR2_PACKAGE_EUDEV
 	  eudev requires a Linux kernel >= 2.6.34: it relies on devtmpfs
 	  and inotify.
 
-	  http://dev.gentoo.org/~blueness/eudev
+	  https://wiki.gentoo.org/wiki/Project:Eudev
 
 if BR2_PACKAGE_EUDEV