[PATCH v10-mte 4/7] arm64: mte: implement CONFIG_ARM64_MTE_COMP

[Alexander Potapenko]

> > > Nit: really no need to split the line - we're OK with 100-chars per
> > > line now.
> >
> > That's true, but I am relying on clang-format here (maybe we should
> > extend the limit in .clang-format?)
>
> If clang-format hurts readability, don't use it.
>
There's an old discussion on clang-format column limit being
inconsistent with what checkpatch mandates:
https://lore.kernel.org/lkml/20200610125147.2782142-1-christian.brauner@ubuntu.com/
I changed the name of the variable in this case to avoid hitting the
column limit.