[PATCH v3] ARM64: ACPI: Update documentation for latest specification version

[Jon Masters]

On 3/28/16 5:06 PM, Al Stone wrote:

>   For ACPI on arm64, tables also fall into the following categories:
>
> -       -- Required: DSDT, FADT, GTDT, MADT, MCFG, RSDP, SPCR, XSDT
> +       -- Required: DSDT, FADT, GTDT, IORT, MADT, MCFG, RSDP, SPCR, XSDT

Nit: IORT will only be required on certain SBSA platforms using e.g. 
GICv3-ITS and an SMMU. On e.g. level 0 platforms, it remains optional.

Sorry for late comment - just catching up on this thread.

Jon.