misc: mei: fixes for 3.5

[Tomas Winkler]

Hi Greg,
please consider this batch for queuing into 3.5
1. patch 2/4 bug in probe: visible only after merging with the trunk
2. patch 3/4 fixes kernel oops that was revealed when probe failed
3. patch 4/4 is regression fix and should be merged also to stable 3.4
4. patch 1/4 is a minor documentation fix 

 

[PATCH 1/4 V2] mei: mei.txt: minor grammar fixes
[PATCH 2/4] misc: mei: set IRQF_ONESHOT for msi
[PATCH 3/4] misc: mei: unregister misc device in pci_remove
[PATCH 4/4] misc: mei: fix stalled read