meson: fix missing dependencies

Building in subproject wrap mode reveals missing dependencies.
Add them as necessary.

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I883df9770661f3a859a5eb9d16cdd022227cd324
diff --git a/meson.build b/meson.build
index 2b7538d1..0faca98 100644
--- a/meson.build
+++ b/meson.build
@@ -234,7 +234,8 @@
 
 phosphor_dump_monitor_dependency = [
         phosphor_dbus_interfaces_dep,
-        phosphor_logging_dep
+        phosphor_logging_dep,
+        sdeventplus_dep,
     ]
 
 phosphor_dump_monitor_install = true
@@ -250,7 +251,8 @@
 
 phosphor_ramoops_monitor_dependency = [
         phosphor_dbus_interfaces_dep,
-        phosphor_logging_dep
+        phosphor_logging_dep,
+        sdeventplus_dep,
     ]
 
 phosphor_ramoops_monitor_install = true