arm64: ZynqMP DT changes for 6.9 dt-bindings: - Describe firmware for Versal NET - Describe all firmware child nodes - Align versal-fpga node name with dt schema - Describe k26 rev2 and kv260 DTs: - Align firmware node with dt schema - Add an optee node - Describe reset for CANs - Update ECAM size to discover up to 256 buses - Describe assigned-clocks for uarts - Add u-boot node - Comment SMMU entries - Align dwc3 nodes with dt schema - Rename i2c groups to match dt schema - Small DT updates (comments) - Fix default clock frequency for si570 (zcu102, zcu106) - Add output-enable pins and cover MIO38 (SOM)