usb: gadget: Add snapshot of CCID function driver

This snapshot is taken as of msm-3.18 commit:
bf10764e3d1 (Merge "ARM: dts: msm: Update APC MEM ACC settings for
msm8920")

This USB CCID function driver will be a transport layer between
the userspace CCID component and the Windows Host. Data and control
commands from the Windows Host will be sent to the userspace
component and vice-versa.

Change-Id: Ie5eeda1550ac30cac47fd3799021598eac550652
Signed-off-by: Hemant Kumar <hemantk@codeaurora.org>