usb: dwc3: core: Check all ports when set phy suspend

The dwc3_enable_susphy() applies to all available ports. After the
introduction of multi-port in dwc3, we now know the number of ports. Go
through the phy suspend registers of each port to enable/disable phy
suspend in dwc3_enable_susphy().

Signed-off-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Link: https://lore.kernel.org/r/31e18192c607dff0a7e5ca139dd5737d2224122a.1719879346.git.Thinh.Nguyen@synopsys.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>