Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/include/net/flow.h b/include/net/flow.h
index 8ce2179..a50fb77 100644
--- a/include/net/flow.h
+++ b/include/net/flow.h
@@ -38,8 +38,9 @@
 #define FLOWI_FLAG_KNOWN_NH		0x02
 #define FLOWI_FLAG_SKIP_NH_OIF		0x04
 	__u32	flowic_secid;
-	struct flowi_tunnel flowic_tun_key;
 	kuid_t  flowic_uid;
+	struct flowi_tunnel flowic_tun_key;
+	__u32		flowic_multipath_hash;
 };
 
 union flowi_uli {
@@ -78,6 +79,7 @@
 #define flowi4_secid		__fl_common.flowic_secid
 #define flowi4_tun_key		__fl_common.flowic_tun_key
 #define flowi4_uid		__fl_common.flowic_uid
+#define flowi4_multipath_hash	__fl_common.flowic_multipath_hash
 
 	/* (saddr,daddr) must be grouped, same order as in IP header */
 	__be32			saddr;