IIO: 2nd set of new device support, cleanups and features for 6.9

New device support
=================
adi,hmc425a
- Add support for LTC6373 Instrumentation Amplifier.
microchip,pac1934
- New driver supporting PAC1931, PAC1932, PAC1933 and PAC1934 power monitoring
chips with accumulators.
voltafield,af8133j
- New driver for the AF8133J 3 axis magnetometer.

Docs
====

New general documentation of device buffers, and a specific section on
the adi,adis16475 IMU

Features
========

kionix,kxcjk-1013
 - Add support for ACPI ROTM (Microsoft defined ACPI method) to get rotation
   matrix.
ti,tmp117
- Add missing vcc-supply control and binding.

Cleanups and minor fixes
========================

Tree-wide
- Corrected headers to remove linux/of.h from a bunch of drivers
  that only had it to get to linux/mod_devicetable.h
- dt binding cleanup to drop redundant type from label properties.

adi,hmc425a
- Fix constraints on GPIO array sizes for different devices.
adi,ltc2983
- Use spi_get_device_match_data instead of open coding similar.
- Update naming of fw parsing function to reflect that it is not longer
  dt only.
- Set the chip name explicitly to reduce fragility resulting from different
  entries in the various ID tables.
bosch,bmg160
- Add spi-max-frequency property and limit to dt-binding.
microchip,mcp320x
- Use devm_* to simplify device removal and error handling.
nxp,imx93
- Drop a non existent 4th interrupt from bindings.
qcom,mp8xxx-xoadc
- Drop unused kerneldoc
renesas,isl29501
- Actually use the of_match table.
rockchip,saradc
- Fix channel bitmask
- Fix write masks
- Replace custom handling of optional reset control with how it should be
  done.
ti,ads1298
- Fix error code to not return a successfully obtained regulator.
- Avoid a divide by zero when setting frequency.
ti,hdc2010
- Add missing interrupts dt binding property
vishay,veml6075
- Make vdd-supply required in the dt-binding.
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