iproute2: disable SELinux for now

Signed-off-by: Daniel Golle <daniel@makrotopia.org>

package/network/utils/iproute2/patches/300-selinux-configurable.patch

@@ -0,0 +1,11 @@
+--- a/configure
++++ b/configure
+@@ -244,7 +244,7 @@ check_elf()
+ check_selinux()
+ # SELinux is a compile time option in the ss utility
+ {
+-	if ${PKG_CONFIG} libselinux --exists; then
++	if [ "${HAVE_SELINUX}" = "y" ] && ${PKG_CONFIG} libselinux --exists; then
+ 		echo "HAVE_SELINUX:=y" >>$CONFIG
+ 		echo "yes"
+