[PATCH] acpi, spcr: Make SPCR available to x86

[Peter Zijlstra]

On Thu, Jan 18, 2018 at 10:09:51AM -0500, Prarit Bhargava wrote:
>  config ACPI_SPCR_TABLE
> +	bool "ACPI Serial Port Console Redirection Support"
> +	default y if X86
> +	help
> +	  Enable support for Serial Port Console Redirection (SPCR) Table.
> +	  This table provides information about the configuration of the
> +	  earlycon console.

I just got asked this by oldconfig, which left me rather puzzled, WTF
does this do?