Bundle deployment works, as you would probably expect, by dropping your OSGi Bundle into the deployments folder.
$ cp org.apache.felix.eventadmin-1.2.6.jar .../jboss-as-7.1.0.Final/standalone/deployments ... 14:35:14,319 INFO JBAS015876: Starting deployment of "org.apache.felix.eventadmin-1.2.6.jar" 14:35:14,582 INFO Install bundle: org.apache.felix.eventadmin:1.2.6 14:35:14,706 INFO Bundle started: org.apache.felix.eventadmin:1.2.6 14:35:14,777 INFO JBAS018559: Deployed "org.apache.felix.eventadmin-1.2.6.jar"