Fix misspellings in oslo.config
Fix misspellings in oslo.config

Fix misspellings detected by:
* pip install misspellings
* git ls-files | grep -v locale | misspellings -f -

Change-Id: I96a3e5717cbce66c19ead15a9e491fe4a44f6e88
Closes-Bug: #1257295

shad7/oslo.config,JioCloud/oslo.config,magic0704/oslo.config,varunarya10/oslo.config,tianshan/oslo.config