Add excelsior-wlan to manifest

Change-Id: Id5292cccef839924b12a8ea46b10061a33f7cb77
diff --git a/excelsior.xml b/excelsior.xml
index dc92c52..f89a558 100644
--- a/excelsior.xml
+++ b/excelsior.xml
@@ -57,6 +57,8 @@
       name="excelsior-mendel/packages/linux-mtk" />
     <project remote="excelsior" path="packages/boot-keys"
       name="excelsior-mendel/packages/boot-keys" />
+    <project remote="excelsior" path="packages/excelsior-wlan"
+      name="excelsior-mendel/packages/excelsior-wlan" />
     <!-- END mtk packages repos -->
 
     <!-- END Excelsior specfic repos -->