Renamed linaro compiler to work with the new bazel.

Change-Id: I48eaf7a54677d970e39aacc7c23f902889158b2f
diff --git a/tools/cpp/linaro_linux_gcc/arm-linux-gnueabihf-objcopy b/tools/cpp/linaro_linux_gcc/arm-linux-gnueabihf-objcopy
index e3ac78d..97d912f 100755
--- a/tools/cpp/linaro_linux_gcc/arm-linux-gnueabihf-objcopy
+++ b/tools/cpp/linaro_linux_gcc/arm-linux-gnueabihf-objcopy
@@ -1,5 +1,5 @@
 #!/bin/bash --norc
 
 exec -a arm-linux-gnueabihf-objcopy \
-	${BAZEL_OUTPUT_ROOT}external/linaro_linux_gcc_4.9_repo/bin/arm-linux-gnueabihf-objcopy \
+	${BAZEL_OUTPUT_ROOT}external/linaro_linux_gcc_4_9_repo/bin/arm-linux-gnueabihf-objcopy \
 	"$@"