ARM: dts: msm: correct the i2c GPIO configuration for msmtitanium

Sleep state of the i2c gpios ae leading to leakage power
issues as the pull mode is PULL_DOWN and external pull ups
present on the board.

This patch changes the pull mode of the sleep configuration
to NO_PULL.

Change-Id: Ie1a5b8c369aa422f1ea652a8e2bc7d2808dfeebb
Signed-off-by: Kiran Gunda <kgunda@codeaurora.org>