Automatic merge from submit-queue
relocate FC multipath readme to examples from pkg/volume
Signed-off-by: rootfs <hchen@redhat.com>
**What this PR does / why we need it**:
`pkg/volume/README.md` is not a good place for Fiber Channel specific doc. Move the block into FC README.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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