Add recipe for the new settings manager

Change-Id: I28b3454c0066649b0c163616247f9ca1bbf3abb3
Signed-off-by: Deepak Kodihalli <dkodihal@in.ibm.com>
diff --git a/classes/phosphor-settings-manager.bbclass b/classes/phosphor-settings-manager.bbclass
new file mode 100644
index 0000000..7e554f3
--- /dev/null
+++ b/classes/phosphor-settings-manager.bbclass
@@ -0,0 +1 @@
+settings_datadir="${datadir}/phosphor-settings/default"