Add repo for broadcom drivers.

Change-Id: I2e4bde7be07370971a11a9fbeafe34fc42275ba7
diff --git a/default.xml b/default.xml
index 50c8fea..b393c76 100644
--- a/default.xml
+++ b/default.xml
@@ -17,6 +17,7 @@
   <project name="vendor-broadcom-alsa"          path="vendor/broadcom/alsa"/>
   <project name="vendor-broadcom-AppLibs"       path="vendor/broadcom/AppLibs"/>
   <project name="vendor-broadcom-BSEAV"         path="vendor/broadcom/BSEAV"/>
+  <project name="vendor-broadcom-drivers"       path="vendor/broadcom/drivers"/>
   <project name="vendor-broadcom-magnum"        path="vendor/broadcom/magnum"/>
   <project name="vendor-broadcom-nexus"         path="vendor/broadcom/nexus"/>
   <project name="vendor-broadcom-rockford"      path="vendor/broadcom/rockford"/>