move platform tools to r8.

Change-Id: I6ac8606db6721313af92241cf8bbe71175c0a705
diff --git a/sdk/plat_tools_source.properties b/sdk/plat_tools_source.properties
index f23e52a..3f98b10 100644
--- a/sdk/plat_tools_source.properties
+++ b/sdk/plat_tools_source.properties
@@ -1,2 +1,2 @@
 Pkg.UserSrc=false
-Pkg.Revision=3
+Pkg.Revision=8