Port 5df2f65d

Original Commit Message:

    Added --trace-wasm flag which prints function entry in wasm.

R=arobin@google.com, joransiu@ca.ibm.com, jyan@ca.ibm.com, michael_dawson@ca.ibm.com
BUG=
LOG=N

Change-Id: I7700f47e724156686c2be0908ea1087b98c9553e
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2219697Reviewed-by: Clemens Backes <clemensb@chromium.org>
Commit-Queue: Milad Farazmand <miladfar@ca.ibm.com>
Cr-Commit-Position: refs/heads/master@{#68044}