ARM: dts: msm: Add GPI DMA device tree nodes for lito

Add GPI device tree nodes for GPI DMA driver. The driver
provides DMA capabilities for peripheral buses such as
I2C, UART, and SPI.

Change-Id: Id65ef58b4ba0e3842ffcb66e542f969aaf94fd3e
Signed-off-by: Vipin Deep Kaur <vkaur@codeaurora.org>