ARM: dts: msm: Set I2C se1 frequency to 400khz for trinket

Setting I2C se1 frequency on trinket to default value
of 400Khz for slaves like Leica operating on lower
frequencies.

Change-Id: Icf0540a718d7e4d6b4401835af927f3bfa8fe6f6
Signed-off-by: Vipin Deep Kaur <vkaur@codeaurora.org>