ata-5.20-rc1

* Some code refactoring for the pata_hpt37x and pata_hpt3x2n drivers,
  from Sergei.

* Several patches to cleanup in libata-core, libata-scsi and libata-eh
  code: fixes arguments and variables types, change some functions
  declaration to static and fix for a typo in a comment. From Sergey and
  Xiang.

* Fix a compilation warning in the pata_macio driver, from me.

* A fix for the expected number of resources in the sata_mv driver fix,
  from Andrew.