make prepare_kernel_conf target depend on quilt instead of sed. Preparing the source tree requires quilt and installing quilt implies installing sed.

SVN-Revision: 29697

include/toplevel.mk

@@ -91,9 +91,9 @@ menuconfig: scripts/config/mconf prepare-tmpinfo FORCE
 
 prepare_kernel_conf: .config FORCE
 
-ifeq ($(wildcard staging_dir/host/bin/sed),)
+ifeq ($(wildcard staging_dir/host/bin/quilt),)
   prepare_kernel_conf:
-	@+$(SUBMAKE) -r tools/sed/install
+	@+$(SUBMAKE) -r tools/quilt/install
 else
   prepare_kernel_conf: ;
 endif