UBUNTU: SAUCE: (snapdragon) i2c: Add Qualcomm Camera Control Interface driver

UBUNTU: SAUCE: (snapdragon) i2c: Add Qualcomm Camera Control Interface driver

BugLink: http://bugs.launchpad.net/bugs/1763040
This commit adds basic I2C bus support for the Camera Control Interface
(CCI) controller found on the Qualcomm SoC processors.

CCI versions supported:
- 1.0.8 - found on MSM8916/APQ8016 - support for the only CCI I2C bus;
- 1.4.0 - found on MSM8996/APQ8096 - support for first (out of two)
  I2C bus.

Signed-off-by: Todor Tomov <todor.tomov@linaro.org>
(cherry picked from commit 786b2e3c1b0201dbc6e9ef3468ea46e96dc2e4f2
http://git.linaro.org/landing-teams/working/qualcomm/kernel.git release/qcomlt-4.14)
Signed-off-by: Paolo Pisati <paolo.pisati@canonical.com>
Acked-by: Seth Forshee <seth.forshee@canonical.com>
Acked-by: Thadeu Lima de Souza Cascardo <cascardo@canonical.com>
Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@canonical.com>