ACPI updates for 4.19-rc1

 - Revert two ACPICA commits that are not needed any more (Erik
   Schmauss).

 - Rework property graph support in the ACPI device properties
   framework to make it behave more like the analogous DT code
   and update the documentation of it (Sakari Ailus).

 - Change the default ACPI device status after initialization
   to ACPI_STA_DEFAULT instead of 0 (Hans de Goede).

 - Add a special platform driver for enumerating multiple I2C devices
   hooked up to the same object in the ACPI tables (Hans de Goede).

 - Fix the ACPI battery driver to avoid reporting full capacity on
   systems without support for that and clean it up (Hans de Goede,
   Dmitry Rozhkov, Lucas Rangit Magasweran).

 - Add two system wakeup quirks to the ACPI EC driver (Aaron Ma,
   Mika Westerberg).

 - Add the touchscreen on Dell Venue Pro 7139 to the list of "always
   present" devices to make it work (Tristian Celestin).

 - Revert a special tables handling quirk for Dell XPS 9570 and
   Precision M5530 which is not needed any more (Kai Heng Feng).

 - Add support for a new OEM _OSI string to allow system vendors to
   work around issues with NVidia HDMI audio (Alex Hung).

 - Prevent the ACPI button driver from reporting excessive system
   wakeup events and clean it up (Ravi Chandra Sadineni, Randy Dunlap).

 - Clean up two minor code style issues in the ACPI core and GHES
   handling on ARM64 (Dongjiu Geng, John Garry, Tom Todd).
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