usb: dwc2: Fix HPRT0.PrtSusp bit setting for HiKey 960 board.

Increased the waiting timeout for HPRT0.PrtSusp register field
to be set, because on HiKey 960 board HPRT0.PrtSusp wasn't
generated with the existing timeout.

Cc: <stable@vger.kernel.org> # 4.18
Fixes: 22bb5cfd ("usb: dwc2: Fix host exit from hibernation flow.")
Signed-off-by: NArtur Petrosyan <Arthur.Petrosyan@synopsys.com>
Acked-by: NMinas Harutyunyan <Minas.Harutyunyan@synopsys.com>
Link: https://lore.kernel.org/r/20210326102447.8F7FEA005D@mailhost.synopsys.comSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/dwc2/hcd.c

@@ -5398,7 +5398,7 @@ int dwc2_host_enter_hibernation(struct dwc2_hsotg *hsotg)
 	dwc2_writel(hsotg, hprt0, HPRT0);
 
 	/* Wait for the HPRT0.PrtSusp register field to be set */
-	if (dwc2_hsotg_wait_bit_set(hsotg, HPRT0, HPRT0_SUSP, 3000))
+	if (dwc2_hsotg_wait_bit_set(hsotg, HPRT0, HPRT0_SUSP, 5000))
 		dev_warn(hsotg->dev, "Suspend wasn't generated\n");
 
 	/*