ARM: dts: msm: Disable bias for I2c gpios in suspend mode

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 on 8937 and 8917 chipsets.

Change-Id: I320bbb91eb6cff8221689598415390fbddceb9f6
Signed-off-by: Dilip Kota <dkota@codeaurora.org>