ARM driver updates for 5.18 There are a few separately maintained driver subsystems that we merge through the SoC tree, notable changes are: - Memory controller updates, mainly for Tegra and Mediatek SoCs, and clarifications for the memory controller DT bindings - SCMI firmware interface updates, in particular a new transport based on OPTEE and support for atomic operations. - Cleanups to the TEE subsystem, refactoring its memory management For SoC specific drivers without a separate subsystem, changes include - Smaller updates and fixes for TI, AT91/SAMA5, Qualcomm and NXP Layerscape SoCs. - Driver support for Microchip SAMA5D29, Tesla FSD, Renesas RZ/G2L, and Qualcomm SM8450. - Better power management on Mediatek MT81xx, NXP i.MX8MQ and older NVIDIA Tegra chips