Comment 7 for bug 1929902

@Jesse Sung
The following is the response from the feature owner

1. This patch doesn’t change the functionality on the usb-dw3 for EHL, it mainly renames the PCI device define to ensure no misunderstanding on there’s an LP (low power version) available.

2. As for the effect on changing this, EHL will allow the PM runtime & other logic within dwc3 to use the ACPI DSM to put the IP into low power, as it depends on the specific PMU registers programming to truly set it to low power. Meanwhile, the other dwc3-pci functionality remains unaffected.

I prefer to merge it into your kernel tree and it can run into low power mode if the platform has the capability.