usb: qti: Add sanpshot of usb_ctrl_qti.h

This header file is needed by usb gsi driver for
qti communication. This snapshot is taken from
msm-4.14 <f63747b8> ("Merge "UPSTREAM commit
'eec33478' 09/30"").

Change-Id: Ib7dce6b2ae1670554a29847e4381e71ba7b75edf
Signed-off-by: Hemant Kumar <hemantk@codeaurora.org>