[PATCH] riscv: acpi: update FADT revision check to 6.6

[Paul Walmsley]

On Thu, 5 Mar 2026, rom.wang wrote:

> From: Yufeng Wang <wangyufeng at kylinos.cn>
> 
> ACPI 6.6 is required for RISC-V as it introduces RISC-V specific
> tables such as RHCT (RISC-V Hart Capabilities Table) and
> RIMT (RISC-V I/O Mapping Table).
> 
> Update the FADT revision check from 6.5 to 6.6 and remove
> the TODO comment since ACPI 6.6 has been officially released.
> 
> Signed-off-by: Yufeng Wang <wangyufeng at kylinos.cn>

Thanks, queued for v7.1.


- Paul