usb: gadget: Add snapshot of ChipIdea driver

This change adds ci13xxx_msm and ci13xxx_udc drivers which are
required for peripheral support on targets using ChipIdea Core.
This snapshot is taken as of msm-4.14 'commit 86918472c0fd
("ARM: dts: msm: support A/B OTA for LW.2.0")'.
This change also fixes the compilation errors.

Change-Id: Ia6a773c65ce5c27a84868ad6471211ccc758eab7
Signed-off-by: Sudharsan Reddy Yettapu <syepattu@codeaurora.org>
Signed-off-by: Swetha Chikkaboraiah <schikk@codeaurora.org>