usb: host: ehci: add missing change from k310

usb: host: ehci: add missing change from k310

Add missing change from k310 to k318 to
avoid system hang after modem being
enumerated on EHCI HSIC

Bug 200027573

Change-Id: Ia884cbaa1ba292cd278b159dfe5a6e0b193a8d15
Signed-off-by: BH Hsieh <bhsieh@nvidia.com>
Reviewed-on: http://git-master/r/820675
(cherry picked from commit 12ce1fd18b4a3650cbb4cfa28cb3aa5a87dfa2dc)
Reviewed-on: http://git-master/r/1206777
GVS: Gerrit_Virtual_Submit
Reviewed-by: WK Tsai <wtsai@nvidia.com>
Reviewed-by: Ashutosh Jha <ajha@nvidia.com>