[PATCH 4.8 055/138] usb: renesas_usbhs: add wait after initialization for R-Car Gen3

4.8-stable review patch. If anyone has any objections, please let me know. -- From: Yoshihiro Shimoda commit b76032396d7958f006bccf5fb2535beb5526837c upstream. Since the controller on R-Car Gen3 doesn't have any status registers to detect

[PATCH 4.8 055/138] usb: renesas_usbhs: add wait after initialization for R-Car Gen3

4.8-stable review patch. If anyone has any objections, please let me know. -- From: Yoshihiro Shimoda commit b76032396d7958f006bccf5fb2535beb5526837c upstream. Since the controller on R-Car Gen3 doesn't have any status registers to detect initialization (LPSTS.SUSPM = 1) and