power: smblite-lib/smb5-lib: Add partner registration for microusb otg

Add partner registration for otg to provide UX. USB_HAL expects
power_role and data_role to be updated for the notification to UI.
Update power_role and data_role for microusb otg.

Change-Id: I741df638e18a400c862845bddd5bb19130adecd7
Signed-off-by: Kavya Nunna <knunna@codeaurora.org>