First set of IIO fixes in the 4.12 cycle.

Matt finally set up the lightning storm he needed to test the as3935.

* core
  - Fix a null pointer deference in iio_trigger_write_current when changing
  from a non existent trigger to another non existent trigger.
* a3935
  - Recalibrate the RCO after resume.
  - Fix interrupt mask so that we actually get some interrupts.
  - Use iio_trigger_poll_chained as we aren't in interrupt context.
* am335x
  - Fix wrong allocation size provided for private data to iio_device_alloc.
* bcm_iproc
  - Swapped primary and secondary isr handlers.
* ltr501
  - Fix swapped als/ps register fields when enabling interrupts
* max9611
  - Wrong scale factor for the shunt_resistor attribute.
* sun4-gpadc
  - Module autoloading fixes by adding the device table declarations.
  - Fix parent device being used in devm functions.
-----BEGIN PGP SIGNATURE-----
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=luks
-----END PGP SIGNATURE-----