meta-facebook: dbus-sensors: remove unused PACKAGECONFIG

Reduce the PACKAGECONFIG of dbus-sensors to remove unused daemons,
which results in a flash image savings.

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I06c36a72a73f671908b35f217188c0bf41766cc0
diff --git a/meta-facebook/recipes-phosphor/sensors/dbus-sensors_%.bbappend b/meta-facebook/recipes-phosphor/sensors/dbus-sensors_%.bbappend
new file mode 100644
index 0000000..15675e1
--- /dev/null
+++ b/meta-facebook/recipes-phosphor/sensors/dbus-sensors_%.bbappend
@@ -0,0 +1,6 @@
+FILESEXTRAPATHS:prepend := "${THISDIR}/${PN}:"
+
+PACKAGECONFIG:remove = " \
+    external \
+    intrusion \
+"