Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/include/net/gue.h b/include/net/gue.h
index fdad414..3a6595b 100644
--- a/include/net/gue.h
+++ b/include/net/gue.h
@@ -60,7 +60,7 @@
 
 /* Private flags in the private option extension */
 
-#define GUE_PFLAG_REMCSUM	htonl(1 << 31)
+#define GUE_PFLAG_REMCSUM	htonl(1U << 31)
 #define GUE_PLEN_REMCSUM	4
 
 #define GUE_PFLAGS_ALL	(GUE_PFLAG_REMCSUM)