Merge branches 'acpica', 'acpi-osl', 'acpi-tables', 'acpi-scan' and 'acpi-bus' into linux-next

* acpica:
  ACPICA: Avoid walking the ACPI Namespace if it is not there
  ACPICA: Use uintptr_t and offsetof() in Linux kernel builds

* acpi-osl:
  ACPI: OSL: Fix and clean up acpi_os_read/write_port()

* acpi-tables:
  ACPI: tables: Add AGDI to the list of known table signatures
  ACPI: tables: Add CEDT signature to the list of known tables

* acpi-scan:
  ACPI: scan: Use ida_alloc() instead of ida_simple_get()

* acpi-bus:
  ACPI: bus: Introduce acpi_bus_for_each_dev()