ARM: dts: msm: Fix vaf regulator current for kona platforms

The camera actuator regulator pm8150a_17 load current needs
to be set to disable the lpm mode.

Change-Id: Iafeab665522a5787f72abfe66e91b8b3edf80348
Signed-off-by: Jeyaprakash Soundrapandian <jsoundra@codeaurora.org>