usb: Add support to handle USB SMMU S1 address

Update helper APIs to return physical address as well as
USB SMMU stage 1 address. Physical address is used to map
it to iova for remote processor. S1 address is used by xHC.
Get sg table containing one or mode page sized physical
address corresponding to S1 address for event ring, xfer
ring and xfer buffers using dma_get_sgtable(). Accordingly
update QMI response buffer for XHCI event ring, xfer ring
memory info and xfer buffer.

Change-Id: I6c9ea39d8a87a5bdc5a760d2a1ca85ab3024d985
Signed-off-by: Hemant Kumar <hemantk@codeaurora.org>
Signed-off-by: Mayank Rana <mrana@codeaurora.org>