phosphor-state-manager: Depend on sdeventplus

An upcoming change will require that phosphor-state-manager has
sdeventplus during build time.

(From meta-phosphor rev: f0e6674cf445f68b5b72ef6f7390a092833ff7ec)

Change-Id: I59f8bee02c21b797d2149b28bfc0766b25d7e9cf
Signed-off-by: William A. Kennington III <wak@google.com>
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/meta-phosphor/recipes-phosphor/state/phosphor-state-manager.bb b/meta-phosphor/recipes-phosphor/state/phosphor-state-manager.bb
index 0bdfc61..97d3dc7 100644
--- a/meta-phosphor/recipes-phosphor/state/phosphor-state-manager.bb
+++ b/meta-phosphor/recipes-phosphor/state/phosphor-state-manager.bb
@@ -38,6 +38,7 @@
 
 DEPENDS += "autoconf-archive-native"
 DEPENDS += "sdbusplus"
+DEPENDS += "sdeventplus"
 DEPENDS += "phosphor-logging"
 DEPENDS += "phosphor-dbus-interfaces"
 DEPENDS += "cereal"