ARM: DT: apq8064: Add i2c device nodes

This patch adds i2c pinctrl DT node for IFC6410 board.  It also adds
 necessary DT support for i2c eeprom which is present on IFC6410.

Signed-off-by: Kiran Padwal <kiran.padwal@smartplayin.com>
Signed-off-by: Kumar Gala <galak@codeaurora.org>