objtool: Use offstr() to print address of missing ENDBR

Fixes: 89bc853e ("objtool: Find unused ENDBR instructions")
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/95d12e800c736a3f7d08d61dabb760b2d5251a8e.1650300597.git.jpoimboe@redhat.com

tools/objtool/check.c

@@ -3211,9 +3211,8 @@ validate_ibt_reloc(struct objtool_file *file, struct reloc *reloc)
 static void warn_noendbr(const char *msg, struct section *sec, unsigned long offset,
 			 struct instruction *dest)
 {
-	WARN_FUNC("%srelocation to !ENDBR: %s+0x%lx", sec, offset, msg,
-		  dest->func ? dest->func->name : dest->sec->name,
-		  dest->func ? dest->offset - dest->func->offset : dest->offset);
+	WARN_FUNC("%srelocation to !ENDBR: %s", sec, offset, msg,
+		  offstr(dest->sec, dest->offset));
 }
 
 static void validate_ibt_dest(struct objtool_file *file, struct instruction *insn,