Marvell/Cn9130Db: Add ACPI tables

This patch adds ACPI tables and necessary headers,
which are common for Cn913x SoCs and the CN9130 development board
(variant A). Wiring up of support will be done in the follow-up
commits.

Signed-off-by: Marcin Wojtas <mw@semihalf.com>
Acked-by: Leif Lindholm <leif.lindholm@linaro.org>