Changes to existing drivers:

  - DT clean-ups in da9055-core, max14577, rn5t618, arizona, hi6421, stmpe, twl4030
  - Export symbols for use in modules in max14577
  - Plenty of static code analysis/Coccinelle fixes throughout the SS
  - Regmap clean-ups in arizona, wm5102, wm5110, da9052, tps65217, rk808
  - Remove unused/duplicate code in da9052, 88pm860x, ti_ssp, lpc_sch, arizona
  - Bug fixes in ti_am335x_tscadc, da9052, ti_am335x_tscadc, rtsx_pcr
  - IRQ fixups in arizona, stmpe, max14577
  - Regulator related changes in axp20x
  - Pass DMA coherency information from parent => child in MFD core
  - Rename DT document files for consistency
  - Add ACPI support to the MFD core
  - Add Andreas Werner to MAINTAINERS for MEN F21BMC

New drivers/supported devices:
  - New driver for MEN 14F021P00 Board Management Controller
  - New driver for Ricoh RN5T618 PMIC
  - New driver for Rockchip RK808
  - New driver for HiSilicon Hi6421 PMIC
  - New driver for Qualcomm SPMI PMICs
  - Add support for Intel Braswell in lpc_ich
  - Add support for Intel 9 Series PCH in lpc_ich
  - Add support for Intel Quark ILB in lpc_sch
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