Revert "usb: dwc3: qcom: Keep power domain on to retain controller status"

This reverts commit d9be8d5c5b032e5383ff5c404ff4155e9c705429.

Generic power-domain flags must be set before the power-domain is
initialised and must specifically not be modified by drivers for devices
that happen to be in the domain.

To make sure that USB power-domains are left enabled during system
suspend when a device in the domain is in the wakeup path, the
GENPD_FLAG_ACTIVE_WAKEUP flag should instead be set for the domain
unconditionally when it is registered.

Note that this also avoids keeping power-domains on during suspend when
wakeup has not been enabled (e.g. through sysfs).

For the runtime PM case, making sure that the PHYs are not suspended and
that they are in the same domain as the controller prevents the domain
from being suspended. If there are cases where this is not possible or
desirable, the genpd implementation may need to be extended.

Fixes: d9be8d5c5b03 ("usb: dwc3: qcom: Keep power domain on to retain controller status")
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20220804151001.23612-3-johan+linaro@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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