[coreboot] SATA init on FSP 2.0 for Skylake

[Nico Huber]

On 03.04.2018 03:16, Naresh G. Solanki wrote:
> coreboot-4.7-51-g2ca4ca3f21-dirty Thu Jan 18 22:05:03 UTC 2018
> romstage starting...
> pm1_sts: ffff pm1_en: ffff pm1_cnt: ffffffff
> gpe0_sts[0]: ffffffff gpe0_en[0]: ffffffff
> gpe0_sts[1]: ffffffff gpe0_en[1]: ffffffff
> gpe0_sts[2]: ffffffff gpe0_en[2]: ffffffff
> gpe0_sts[3]: ffffffff gpe0_en[3]: ffffffff
> 

I've seen (and fixed) this before. I suspect you have to `select
SKYLAKE_SOC_PCH_H` in your Kconfig.

> It seems to me that PM base is not setup properly.(this should be fixed first)
> 

Right, please fix things from top to bottom. You can't expect everything
to work if you have earlier problems in your log.

Nico