uboot-phytec

arm: dts: ti: k3-j721e: Update the power domain cells

Update the power-domain cells to 2. Mark the following devices used
in R5 spl as shared and rest of the devices as exclusive:
- DDR
- ARM64 core and GTC timer
- Memory controller.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>