rainier: Only install one dbus-sensors service

Rainier is only using the hwmontempsensor dbus-sensors service for now,
so remove the other ones.  Without this, 8 other services would be
running at BMC ready state.

Signed-off-by: Matt Spinler <spinler@us.ibm.com>
Change-Id: I54fd7dfb1fdff34aa2a59d9bd36e8d6834cb15b8
diff --git a/recipes-phosphor/sensors/dbus-sensors_%.bbappend b/recipes-phosphor/sensors/dbus-sensors_%.bbappend
new file mode 100644
index 0000000..3f26613
--- /dev/null
+++ b/recipes-phosphor/sensors/dbus-sensors_%.bbappend
@@ -0,0 +1 @@
+PACKAGECONFIG_rainier = "hwmontempsensor"