As WASM is LE enforced, data is originally written to memory
in LE order regardless of the machine type, therefore we need
to read it back the same way.

Bug: v8:10507
Change-Id: I72896eeeed177a22ca87e8c380f99dca795ddc4a
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2410475
Commit-Queue: Milad Farazmand <mfarazma@redhat.com>
Reviewed-by: Zhi An Ng <zhin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#69896}