AT91 SoC for 4.20

 - rename MAINTAINERS entries and change maintainers
 - two pm cleanups

* tag 'at91-4.20-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/at91/linux:
  MAINTAINERS: sdhci: move the Microchip entry to proper location
  MAINTAINERS: move former ATMEL entries to proper MICROCHIP location
  MAINTAINERS: remove the / ATMEL string from MICROCHIP entries
  MAINTAINERS: iio: add co-maintainer to SAMA5D2-compatible ADC driver
  MAINTAINERS: pwm: add entry for Microchip pwm driver
  MAINTAINERS: dmaengine: add files to Microchip dma entry
  MAINTAINERS: USB: change maintainer for Microchip USBA gadget driver
  MAINTAINERS: ASoC: change maintainer for Microchip ALSA drivers
  MAINTAINERS: media: change Microchip ISI, ISC maintainers
  MAINTAINERS: update entry for Microchip NAND driver support
  MAINTAINERS: ARM: at91: add co-maintainer for ARM/Microchip
  ARM: at91: pm: call put_device instead of of_node_put in at91_pm_config_ws
  ARM: at91: pm: remove pm_bu initialization in at91_pm_backup_init()
Signed-off-by: Olof Johansson <olof@lixom.net>