Typo in awscli/customizations/emr/emrfsutils.py

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- [x] I've gone though the [User Guide](https://docs.aws.amazon.com/cli/latest/userguide/cli-chap-welcome.html) and the [API reference](https://docs.aws.amazon.com/cli/latest/reference/)
- [x] I've searched for [previous similar issues](https://github.com/aws/aws-cli/issues) and didn't find any solution

**Describe the bug**
There is a typo in `awscli/customizations/emr/emrfsutils.py`:
```python
def build_emrfs_confiuration(emrfs_args):
```
IIUC that should be _configuration_, not _confiuration_.
The same typo is propagated in `awscli/customizations/emr/createcluster.py`:
```python
emrfs_configuration = emrfsutils.build_emrfs_confiuration(
```

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