CDU: Update CDU netfitler target to Kernel 5.4

Change-Id: Ia9d8d038696f72dc04d0076c07aafb006eeee24a
diff --git a/client_data_usage/cdu_nf_events.c b/client_data_usage/cdu_nf_events.c
index ef66472..5e6527f 100644
--- a/client_data_usage/cdu_nf_events.c
+++ b/client_data_usage/cdu_nf_events.c
@@ -21,6 +21,8 @@
 #include <linux/types.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
+#include <linux/netfilter/xt_usage.h>
+#include <linux/netfilter/x_tables.h>
 #include <net/netfilter/nf_conntrack.h>
 #include <net/netfilter/nf_conntrack_core.h>