[clean] remove non-ASCIIs where possible

Signed-off-by: Scott Johnson <scottdj@google.com>
diff --git a/util/tlgen/elaborate.py b/util/tlgen/elaborate.py
index 5ae5227..e1c1633 100644
--- a/util/tlgen/elaborate.py
+++ b/util/tlgen/elaborate.py
@@ -53,7 +53,7 @@
        a. (New node) Create SOCKET_1N node.
        b. Revise every edges from the node to have SOCKET_1N node as start node.
        c. (New Edge) Create a edge from the node to SOCKET_1N node.
-       d. (for loop) Repeat the algorithm with SOCKET_1N’s other side node.
+       d. (for loop) Repeat the algorithm with SOCKET_1N's other side node.
     """
 
     # If a node has different clock from main clock and not ASYNC_FIFO: