[GIT PULL] arm64: updates for 4.15

[Linus Torvalds]

On Thu, Nov 16, 2017 at 3:51 AM, Will Deacon <will.deacon at arm.com> wrote:
> From: Will Deacon <will.deacon at arm.com>
> Date: Thu, 16 Nov 2017 10:49:34 +0000
> Subject: [PATCH] irqdesc: Use bool return type instead of int

Thomas, will you take this in the irq branches, or should I just apply
it directly because it's "one of Linus' hangups".

It's not urgent, there hopefully aren't actually any existing bad
cases, it's purely "future mis-use safety".

                 Linus