This is a (manual) reland of ba87518e071a75fb951b490d3f75a87ca715cc23

It is unchanged, except to rebase around a merge conflict.
TBR=neis@chromium.org, jgruber@chromium.org

Bug: v8:9198

> [codegen][frames] Generalize argument padding slot code
>
> - Removes kPadArguments boolean.
> - Changes ShouldPadArguments to ArgumentPaddingSlots to reflect
>   that on some architectures more than 1 padding slot may be needed.
> - Adds AddArgumentPaddingSlots and ShouldPadArguments convenience
>   functions.
>
> Bug: v8:9198
>
> Change-Id: Iba87518e071a75fb951b490d3f75a87ca715cc23
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2679109
> Commit-Queue: Bill Budge <bbudge@chromium.org>
> Reviewed-by: Georg Neis <neis@chromium.org>
> Reviewed-by: Jakob Gruber <jgruber@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#72605}

Change-Id: I2a9022964d3bafe68c5c1e7de0ae7e837dd5c2e3
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2740457Reviewed-by: Bill Budge <bbudge@chromium.org>
Commit-Queue: Bill Budge <bbudge@chromium.org>
Cr-Commit-Position: refs/heads/master@{#73241}