This adds the Sunrise Point AHCI config and SIR registers from
doc#332691-003EN.
Change-Id: Id4a462d625194a6ccfdb88fb415d5eb278f2900a
Signed-off-by: Michael Niewöhner <foss@mniewoehner.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/39506
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
fe8170f909