ARM: tegra: usb: support xusb on otg port

ARM: tegra: usb: support xusb on otg port

platform data to support changing port ownership
to xusb when port 0 is in host mode

Bug 1307598

Change-Id: I3fd332b07ebfbb8b3baca400500a7e984c88a99e
Signed-off-by: Rohith Seelaboyina <rseelaboyina@nvidia.com>
Reviewed-on: http://git-master/r/265537
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Jui Chang Kuo <jckuo@nvidia.com>
Reviewed-by: Krishna Yarlagadda <kyarlagadda@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Venkat Moganty <vmoganty@nvidia.com>