Entry: Link to phosphor-dbus-interfaces

Link to libphosphor_dbus.so so that the Entry
code is auto-generated.

Change-Id: I845d083456a1094a49f773b3ec64240d4515b3ac
Signed-off-by: Adriana Kobylak <anoo@linux.vnet.ibm.com>
diff --git a/configure.ac b/configure.ac
index d668d7a..01423ed 100644
--- a/configure.ac
+++ b/configure.ac
@@ -25,6 +25,8 @@
 PKG_CHECK_MODULES([SYSTEMD], [libsystemd >= 221])
 PKG_CHECK_MODULES([SDBUSPLUS], [sdbusplus],,
     AC_MSG_ERROR(["Requires sdbusplus package."]))
+PKG_CHECK_MODULES([PHOSPHOR_DBUS_INTERFACES], [phosphor-dbus-interfaces],,\
+    AC_MSG_ERROR(["Requires phosphor-dbus-interfaces package."]))
 
 AC_CHECK_HEADER(systemd/sd-journal.h, ,[AC_MSG_ERROR([Could not find \
 systemd/sd-journal.h...systemd developement package required])])