Adapt to linkloader moving from driver/ to cpu_ref/ in frameworks/rs.

Change-Id: I727d768ed28b22488898289047f230fce0d9476a
diff --git a/libbcc.mk b/libbcc.mk
index 3b2463f..adea004 100644
--- a/libbcc.mk
+++ b/libbcc.mk
@@ -24,7 +24,7 @@
 
 LLVM_ROOT_PATH          := external/llvm
 MCLD_ROOT_PATH          := frameworks/compile/mclinker
-RSLOADER_ROOT_PATH      := frameworks/rs/driver/linkloader
+RSLOADER_ROOT_PATH      := frameworks/rs/cpu_ref/linkloader
 
 #=====================================================================
 # Related Makefile Paths of libbcc