Similar to some other IA platforms, Elkhart Lake too depends on the
PMU register write to request transition of Dx power state.

Thus, we add the PCI_DEVICE_ID_INTEL_EHLLP to the list of devices that
shall execute the ACPI _DSM method during D0/D3 sequence.

[heikki.krogerus@linux.intel.com: included Fixes tag]

Fixes: dbb0569d ("usb: dwc3: pci: Add Support for Intel Elkhart Lake Devices")
Cc: stable@vger.kernel.org
Signed-off-by: Raymond Tan <raymond.tan@intel.com>
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>