input: sensors: add Lite-on ltr553 ALPS sensor driver

MSM8909 SKUE uses ltr553 as ambient light and proximity sensor.
Add ltr553 sensor driver to enable it.
This snapshot is taken as of msm-3.10 'commit 1227f5746677 ("soc:
qcom: smp2p: spinlock_test: Initialize work item")'with
minor compile error fixed.

Change-Id: Ib5462672d8029396acaca5999b0c14a11a68382b
Signed-off-by: Bingzhe Cai <bingzhec@codeaurora.org>