Implement Association interface

Implement xyz/openbmc_project/Association/Definitions.interface in
activation and item_updater.

Tested: Verify the association is created after uploading a dummy
        tarball.

Signed-off-by: Lei YU <mine260309@gmail.com>
Change-Id: I217bddc48534a0b3b17359e0f3409f6c7c953f08
diff --git a/src/meson.build b/src/meson.build
index 4a13228..c3c04e5 100644
--- a/src/meson.build
+++ b/src/meson.build
@@ -10,6 +10,13 @@
 cdata.set_quoted('FILEPATH_IFACE', 'xyz.openbmc_project.Common.FilePath')
 cdata.set_quoted('BUSNAME_UPDATER', 'xyz.openbmc_project.Software.Psu.Updater')
 cdata.set_quoted('MANIFEST_FILE', 'MANIFEST')
+cdata.set_quoted('ACTIVATION_FWD_ASSOCIATION', 'inventory')
+cdata.set_quoted('ACTIVATION_REV_ASSOCIATION', 'activation')
+cdata.set_quoted('PSU_INVENTORY_PATH', '/xyz/openbmc_project/inventory/system/chassis')
+cdata.set_quoted('ACTIVE_FWD_ASSOCIATION', 'active')
+cdata.set_quoted('ACTIVE_REV_ASSOCIATION', 'software_version')
+cdata.set_quoted('FUNCTIONAL_FWD_ASSOCIATION', 'functional')
+cdata.set_quoted('FUNCTIONAL_REV_ASSOCIATION', 'software_version')
 
 configure_file(output: 'config.h',
   configuration: cdata,