More release fixes (#1009)

Author: eddyashton

.azure-pipelines-templates/matrix.yml

@@ -75,6 +75,7 @@ jobs:
         cmake_args: '${{ parameters.build.common.cmake_args }} ${{ parameters.build.install.cmake_args }} ${{ parameters.build.SGX.cmake_args }}'
         suffix: 'Release'
         artifact_name: 'SGX_Release'
+        install_prefix: '${{ parameters.build.install.install_prefix }}'
 
     - template: release.yml
       parameters: