Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/include/net/netns/sctp.h b/include/net/netns/sctp.h
index 0db7fb3..bdc0f27 100644
--- a/include/net/netns/sctp.h
+++ b/include/net/netns/sctp.h
@@ -128,6 +128,9 @@
 	/* Flag to indicate if stream interleave is enabled */
 	int intl_enable;
 
+	/* Flag to indicate if ecn is enabled */
+	int ecn_enable;
+
 	/*
 	 * Policy to control SCTP IPv4 address scoping
 	 * 0   - Disable IPv4 address scoping