Fix for the bfs benchmark

Removed a dependency from a custom timer module that used x86 specific
assembly primitives

opencl/bfs/Makefile

@@ -3,7 +3,7 @@ include ../../common/make.config
 #C compiler
 CC = g++
 
-SRC = bfs.cpp timer.cc
+SRC = bfs.cpp
 
 CC_FLAGS = -g -O3