Add build time dependency on sdeventplus

For generating CSR sdeventplus library is used for adding child
process id to the event loop, so that parent process gets
callback after the completion of generate csr operation
performed in the child process.

(From meta-phosphor rev: 462e3d22b32c776989519871252a9fa68f73ff5b)

Change-Id: I7f3fde38e44de96924f7c170b975aaeec7bf94e5
Signed-off-by: Marri Devender Rao <devenrao@in.ibm.com>
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/meta-phosphor/recipes-phosphor/certificate/phosphor-certificate-manager_git.bb b/meta-phosphor/recipes-phosphor/certificate/phosphor-certificate-manager_git.bb
index 11e18bd..377c0f1 100644
--- a/meta-phosphor/recipes-phosphor/certificate/phosphor-certificate-manager_git.bb
+++ b/meta-phosphor/recipes-phosphor/certificate/phosphor-certificate-manager_git.bb
@@ -22,6 +22,7 @@
         phosphor-dbus-interfaces-native \
         sdbusplus \
         sdbusplus-native \
+        sdeventplus \
         "
 
 S = "${WORKDIR}/git"