i2c: tegra: add GPCDMA support and allocate DMA memory for DMA engine
Description: Fixes to add GPCDMA support and allocate DMA memory for DMA engine
Bugzilla: http://bugzilla.redhat.com/2228576
Build Info: https://brewweb.engineering.redhat.com/brew/taskinfo?taskID=54537813
Tested: Did sanity boot testing on (nvidia-jetson-agx-orin-05) system.
Signed-off-by: Steve Best sbest@redhat.com