ARM: SoC drivers for 6.0

The SoC driver updates contain changes to improve support for
additional SoC variants, as well as cleanups an minor bugfixes
in a number of existing drivers.

Notable updates this time include:

 - Support for Qualcomm MSM8909 (Snapdragon 210) in various drivers

 - Updates for interconnect drivers on Qualcomm Snapdragon

 - A new driver support for NMI interrupts on Fujitsu A64fx

 - A rework of Broadcom BCMBCA Kconfig dependencies

 - Improved support for BCM2711 (Raspberry Pi 4) power management
   to allow the use of the V3D GPU

 - Cleanups to the NXP guts driver

 - Arm SCMI firmware driver updates to add tracing support, and
   use the firmware interfaces for system power control and for
   power capping.