python-ipaddr: update homepage link

Cc: Peter Korsgaard <peter@korsgaard.com>
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/python-ipaddr/Config.in

@@ -6,4 +6,4 @@ config BR2_PACKAGE_PYTHON_IPADDR
 	  used to create/poke/manipulate IPv4 and IPv6 addresses and
 	  prefixes.
 
-	  https://code.google.com/p/ipaddr-py/
+	  https://github.com/google/ipaddr-py