msm: usb: Add support for SBC8016

Add support for dynamic switch between device mode and host mode on the
same USB port.
The following code implements switch between the HOST
mode to device mode when used different HW components
on the same port: USB HUB and the USB jack type B for device mode.

Change-Id: Ibdea57d09b321a3dc57c4069ddb558f4de349ab9
Signed-off-by: Tanya Finkel <tfinkel@codeaurora.org>
Signed-off-by: Bharat Pawar <bpawar@codeaurora.org>
Signed-off-by: Nirmal Abraham <nabrah@codeaurora.org>