Add HTC Saga (Desire S)

This is dependant on forking the following device tree:
https://github.com/nexx/android_device_htc_saga

Proprietary vendor tree is located here:
https://github.com/nexx/android_vendor_htc_saga

Change-Id: Ibe2f350bd141e3f4608343b3277a4b7ad3dff9e3
diff --git a/vendorsetup.sh b/vendorsetup.sh
index 95fd2cd..c9bf75c 100644
--- a/vendorsetup.sh
+++ b/vendorsetup.sh
@@ -35,6 +35,7 @@
 add_lunch_combo cyanogen_p990-eng
 add_lunch_combo cyanogen_p999-eng
 add_lunch_combo cyanogen_passion-eng
+add_lunch_combo cyanogen_saga-eng
 add_lunch_combo cyanogen_shadow-eng
 add_lunch_combo cyanogen_sholes-eng
 add_lunch_combo cyanogen_showcasemtd-eng