aml: adds 'develop' and 'master' targets. (#14549)

Co-authored-by: mlhardware <57849932+mlhardware@users.noreply.github.com>

var/spack/repos/builtin/packages/aml/package.py

@@ -11,7 +11,10 @@ class Aml(AutotoolsPackage):
 
     homepage = "https://xgitlab.cels.anl.gov/argo/aml"
     url = "https://www.mcs.anl.gov/research/projects/argo/downloads/aml-0.1.0.tar.gz"
+    git = "https://xgitlab.cels.anl.gov/argo/aml.git"
     version('0.1.0', sha256='cc89a8768693f1f11539378b21cdca9f0ce3fc5cb564f9b3e4154a051dcea69b')
+    version('develop', branch='staging')
+    version('master', branch='master')
 
     depends_on('numactl')