ARM: dts: msm: Add GPI DMA device tree nodes for sdm855

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

CRs-Fixed: 2170554
Change-Id: I9854f9d4c7a0709bec2013754c5c507e089b101c
Signed-off-by: Sujeev Dias <sdias@codeaurora.org>