Arm: tegra: usb: set run bit after disabling PMC

Set run bit soon after disabling the PMC so that
the delay in releasing the pmc_lock is avoided.
Also add delay in phy_restore_end so that the resume
will driven for minimum of 20ms.

Bug 1264731
Bug 1382457
Bug 1438066

Change-Id: If4d53359d8a3f33898ed0663cbdf7d4c8310bcf9
Signed-off-by: Petlozu Pravareshwar <petlozup@nvidia.com>
Reviewed-on: http://git-master/r/309449
Reviewed-by: Riham Haidar <rhaidar@nvidia.com>
Tested-by: Riham Haidar <rhaidar@nvidia.com>
Signed-off-by: Martin Chi <mchi@nvidia.com>
Reviewed-on: http://git-master/r/354696
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit