ARM: dts: msm: specify I2C configuration for msmfalcon

Initial support for all BLSP I2Cs with default configuration
and disabled state such that clients can overwrite and enable
respective I2C instance as per need.

Change-Id: If08ff46e72d537254e90707f28c849a86f262853
Signed-off-by: Mukesh Kumar Savaliya <msavaliy@codeaurora.org>