Move driver/linux to main repository.

Change-Id: I7b7ad6fc4421c0b6997e0626dd1e761041c66719
diff --git a/default.xml b/default.xml
index 08b398b..0375db3 100644
--- a/default.xml
+++ b/default.xml
@@ -16,6 +16,7 @@
 
     <!-- TODO: Do we want these in the root or change paths? -->
     <linkfile src="build" dest="build" />
+    <linkfile src="driver" dest="driver" />
     <linkfile src="kokoro" dest="kokoro" />
     <linkfile src="inc" dest="inc" />
     <linkfile src="src" dest="src" />
@@ -28,7 +29,5 @@
   <project path="third_party/googletest" name="hafnium/third_party/googletest" clone-depth="1" />
   <project path="third_party/linux" name="hafnium/third_party/linux" clone-depth="1" />
 
-  <project path="driver/linux" name="hafnium/driver/linux" />
   <project path="project/reference" name="hafnium/project/reference" />
-
 </manifest>