ACPI: scan: Extract CSI-2 connection graph from _CRS
Find ACPI CSI-2 resource descriptors defined since ACPI 6.4 (for CSI-2 and camera configuration) in _CRS for all device objects in the given scope of the ACPI namespace that have them, identify the corresponding "remote endpoint" device objects for them and allocate memory for software nodes needed to create a DT-like data structure representing the CSI-2 connection graph for drivers. The code needed to populate these software nodes will be added by subsequent change sets. Link: https://uefi.org/specs/ACPI/6.5/06_Device_Configuration.html#camera-serial-interface-csi-2-connection-resource-descriptor Co-developed-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Tested-by: Sakari Ailus <sakari.ailus@linux.intel.com>
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