Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/include/trace/events/random.h b/include/trace/events/random.h
index 0560dfc..32c10a5 100644
--- a/include/trace/events/random.h
+++ b/include/trace/events/random.h
@@ -62,15 +62,14 @@
 
 TRACE_EVENT(credit_entropy_bits,
 	TP_PROTO(const char *pool_name, int bits, int entropy_count,
-		 int entropy_total, unsigned long IP),
+		 unsigned long IP),
 
-	TP_ARGS(pool_name, bits, entropy_count, entropy_total, IP),
+	TP_ARGS(pool_name, bits, entropy_count, IP),
 
 	TP_STRUCT__entry(
 		__field( const char *,	pool_name		)
 		__field(	  int,	bits			)
 		__field(	  int,	entropy_count		)
-		__field(	  int,	entropy_total		)
 		__field(unsigned long,	IP			)
 	),
 
@@ -78,14 +77,12 @@
 		__entry->pool_name	= pool_name;
 		__entry->bits		= bits;
 		__entry->entropy_count	= entropy_count;
-		__entry->entropy_total	= entropy_total;
 		__entry->IP		= IP;
 	),
 
-	TP_printk("%s pool: bits %d entropy_count %d entropy_total %d "
-		  "caller %pS", __entry->pool_name, __entry->bits,
-		  __entry->entropy_count, __entry->entropy_total,
-		  (void *)__entry->IP)
+	TP_printk("%s pool: bits %d entropy_count %d caller %pS",
+		  __entry->pool_name, __entry->bits,
+		  __entry->entropy_count, (void *)__entry->IP)
 );
 
 TRACE_EVENT(push_to_pool,