ARM: dts: msm: Correct front sensor mount angle for Kona

Front sensor mount angle needs to be correct in order to fix the
camera preview. This change fixes front sensor mount angle issue.

Change-Id: I3963f29f2c4158983e8acb74b22373a62f5df757
Signed-off-by: Jigarkumar Zala <jzala@codeaurora.org>