usb: gadget: Add HSIC Peripheral over SPS support

Add support in HSIC peripheral(device)
over SPS.
Only one USB core can be use - currently HSUSB
is enabled by default.
To enable HSIC core defconfig file should be changed.

Change-Id: I256aecd9e6dfd8bfd71719c32beed8b24225e11c
Signed-off-by: Ofir Cohen <ofirc@codeaurora.org>