tracing: Use init_utsname()->release

Instead of using UTS_RELEASE, use init_utsname()->release, which means that
we don't need to rebuild the code just for the git head commit changing.

Link: https://lore.kernel.org/linux-trace-kernel/20240222124639.65629-1-john.g.garry@oracle.com

Signed-off-by: John Garry <john.g.garry@oracle.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>

kernel/trace/trace.c

@@ -13,7 +13,7 @@
  *  Copyright (C) 2004 Nadia Yvette Chambers
  */
 #include <linux/ring_buffer.h>
-#include <generated/utsrelease.h>
+#include <linux/utsname.h>
 #include <linux/stacktrace.h>
 #include <linux/writeback.h>
 #include <linux/kallsyms.h>
@@ -4148,7 +4148,7 @@ print_trace_header(struct seq_file *m, struct trace_iterator *iter)
 	get_total_entries(buf, &total, &entries);
 
 	seq_printf(m, "# %s latency trace v1.1.5 on %s\n",
-		   name, UTS_RELEASE);
+		   name, init_utsname()->release);
 	seq_puts(m, "# -----------------------------------"
 		 "---------------------------------\n");
 	seq_printf(m, "# latency: %lu us, #%lu/%lu, CPU#%d |"