usb: gadget: qdss: Add support for CI 2.0 gadget

QDSS function driver currently works only with DWC3
core which uses DBM APIs for bam2bam mode of opearation.

Allow this driver to work with CI gadget by determining
the type of gadget it is operating with (DWC3 or CI) at
runtime and then submit the usb_request accordingly.

Change-Id: I2f0ce4092e55c6d2cabbfcc74251637a540be61f
Signed-off-by: Manu Gautam <mgautam@codeaurora.org>