drivers: soc: qcom: Add snapshot of driver for FSA4480 I2C device

This is a snapshot of driver support for FSA4480 I2C device as of
msm-4.14 commit '96e81628'(Add
driver for FSA4480 I2C device).

Change-Id: Iac392c82a72fe5de469fda094059ef7691772ca8
Signed-off-by: Phani Kumar Uppalapati <phaniu@codeaurora.org>
Signed-off-by: Meng Wang <mengw@codeaurora.org>