Port 3c809e0d

Original Commit Message:

    .type directive is required on arm to enable ARM/Thumb interworking.

R=mlippautz@chromium.org, joransiu@ca.ibm.com, jyan@ca.ibm.com, michael_dawson@ca.ibm.com
BUG=
LOG=N

Change-Id: I5aa258033fc89dbb1165b926c3351abc45ed9d85
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2154836Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Commit-Queue: Milad Farazmand <miladfar@ca.ibm.com>
Cr-Commit-Position: refs/heads/master@{#67214}