Fix package name (#3624)

**What type of PR is this?**

/kind bug

**What does does this PR do / why we need it**:

Package name in our internal git repository / brew is changed from
openshift-odo to just `odo`

**Which issue(s) this PR fixes**:

N/A

**PR acceptance criteria**:

N/A

**How to test changes / Special notes to the reviewer**:

N/A

Signed-off-by: Charlie Drage <charlie@charliedrage.com>

rpms/openshift-odo.spec

@@ -1,7 +1,7 @@
 #this is a template spec and actual spec will be generated
 #debuginfo not supported with Go
 %global debug_package %{nil}
-%global package_name openshift-odo
+%global package_name odo
 %global product_name odo
 %global golang_version ${GOLANG_VERSION}
 %global golang_version_nodot ${GOLANG_VERSION_NODOT}