dwc_otg: Merge synopsys 2.10a release for dwc_otg driver.

dwc_otg: Merge synopsys 2.10a release for dwc_otg driver.

BZ: 35160

This release was support hibernate mode which set disable by default. We
will open this feature when enable power management for DWC3 device and
xHCI driver.
Signed-off-by: Yu Wang <yu.y.wang@intel.com>
Change-Id: I09dd4ad46091eb4cfad069b5a484b181030e9853
Signed-off-by: Yu Wang <yu.y.wang@intel.com>
Reviewed-on: http://android.intel.com:8080/47714
Reviewed-by: Gao, Yunpeng <yunpeng.gao@intel.com>
Tested-by: Gao, Yunpeng <yunpeng.gao@intel.com>
Reviewed-by: buildbot <buildbot@intel.com>
Tested-by: buildbot <buildbot@intel.com>