Revert of [mips] Fix typos introduced by previous commit. (patchset #1 id:1 of https://codereview.chromium.org/814203002/)

Reason for revert:
Needed in order to revert https://codereview.chromium.org/798413003

Original issue's description:
> [mips] Fix typos introduced by previous commit.
>
> R=svenpanne@chromium.org
>
> Committed: https://crrev.com/0c96a8b19730e79bc9cae08f3d86755c7b7c962e
> Cr-Commit-Position: refs/heads/master@{#25899}

TBR=svenpanne@chromium.org,bmeurer@chromium.org
NOTREECHECKS=true
NOTRY=true

Review URL: https://codereview.chromium.org/822523002

Cr-Commit-Position: refs/heads/master@{#25911}