pimgen: Add support for setProperty

Add code generation support for setProperty actions.

Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
Change-Id: Id367f6da075035824c8f2ae6302505ef625a629a
diff --git a/example/events.d/match1.yaml b/example/events.d/match1.yaml
index 87279d2..3a08305 100644
--- a/example/events.d/match1.yaml
+++ b/example/events.d/match1.yaml
@@ -11,6 +11,13 @@
             interface: org.freedesktop.DBus.Properties
             member: PropertiesChanged
       actions:
-          - name: noop
+          - name: setProperty
+            args:
+              interface: xyz.openbmc_project.Example.Iface1
+              property: ExampleProperty1
+              path: /test
+              value:
+                type: string
+                value: test
 
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