MFC r330644 and r330714:

MFC r330644 and r330714:
Updates for PCI and health monitor recovery in mlx5core.
This patch accumulates the following Linux commits:

mlx5_health.c
- 78ccb25861d76a8fc5c678d762180e6918834200
  mlx5_core: Fix wrong name in struct
- 171bb2c560f45c0427ca3776a4c8f4e26e559400
  mlx5_core: Update health syndromes
- 0144a95e2ad53a40c62148f44fb0c1f9d2a0d1e9
  mlx5_core: Use accessor functions to read from device memory
- ac6ea6e81a80172612e0c9ef93720f371b198918
  mlx5_core: Use private health thread for each device
- fd76ee4da55abb21babfc69310d321b9cb9a32e0
  mlx5_core: Fix internal error detection conditions
- 2241007b3d783cbdbaa78c30bdb1994278b6f9b9
  mlx5: Clear health sick bit when starting health poll
- 712bfef60912d91033cb25739f7444d5b8d8c59f
  mlx5: Fix version printout in case of health issue
- 89d44f0a6c732db23b219be708e2fe1e03ee4842
  mlx5_core: Add pci error handlers to mlx5_core driver

mlx5_cmd.c
- be87544de8df2b1eb34bcb5e32691287d96f9ec4
  mlx5_core: Fix async commands return code
- a31208b1e11df334d443ec8cace7636150bb8ce2
  mlx5_core: New init and exit flow for mlx5_core
- 020446e01eebc9dbe7eda038e570ab9c7ab13586
  mlx5_core: Prepare cmd interface to system errors handling
- 89d44f0a6c732db23b219be708e2fe1e03ee4842
  mlx5_core: Add pci error handlers to mlx5_core driver
- 0d834442cc247c7b3f3bd6019512ae03e96dd99a
  mlx5: Fix teardown errors that happen in pci error handler

mlx5_main.c
- 5fc7197d3a256d9c5de3134870304b24892a4908
  mlx5: Add pci shutdown callback

Submitted by:	Matthew Finlay <matt@mellanox.com>
Sponsored by:	Mellanox Technologies