item_updater: match activations on Purpose::System

item_updater was only matching on Purpose::BMC, but
Purpose::System is full-system images (BMC + Host) so match on
those as well.

Change-Id: Ic20b13df246949224840b26f1fae6f9eac6d5e29
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
diff --git a/item_updater.cpp b/item_updater.cpp
index 59c07f2..81afd6d 100644
--- a/item_updater.cpp
+++ b/item_updater.cpp
@@ -40,7 +40,9 @@
                 auto value = sdbusplus::message::variant_ns::get<std::string>(
                         property.second);
                 if (value !=
-                    convertForMessage(server::Version::VersionPurpose::BMC))
+                    convertForMessage(server::Version::VersionPurpose::BMC) &&
+                    value !=
+                    convertForMessage(server::Version::VersionPurpose::System))
                 {
                     return;
                 }