qcom: ipq4019: add i2c node to ipq4019 SoC and DK01 device tree

This will allow boards to enable the I2C bus

CC: Sricharan R <srichara@qti.qualcomm.com>
Signed-off-by: Matthew McClintock <mmcclint@codeaurora.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>