Fix the bug of "Error spelling of 'AMPQ'"
Fix the bug of "Error spelling of 'AMPQ'"

The word "AMPQ" should be spelled as "AMQP",
so it is changed.

Change-Id: I7b93824c0adf7a7fef7c2b827607eccdfa7f3608
Closes-Bug: #1503504

redhat-openstack/trove,mmasaki/trove,redhat-openstack/trove,hplustree/trove,redhat-openstack/trove,mmasaki/trove,mmasaki/trove,openstack/trove,zhangg/trove,openstack/trove,hplustree/trove,zhangg/trove