[yaml2obj/elf-override-shsize.yaml] - An attemp to fix ppc64 bot.
[yaml2obj/elf-override-shsize.yaml] - An attemp to fix ppc64 bot.

Failture:
http://lab.llvm.org:8011/builders/clang-ppc64be-linux/builds/35670/steps/ninja%20check%201/logs/FAIL%3A%20LLVM%3A%3Aelf-override-shsize.yaml

Solution:
Change `od` tool invocation to print single bytes.

git-svn-id: 0ff597fd157e6f4fc38580e8d64ab130330d2411@365772 91177308-0d34-0410-b5e6-96231b3b80d8

llvm-mirror/llvm,llvm-mirror/llvm,llvm-mirror/llvm,llvm-mirror/llvm,llvm-mirror/llvm,llvm-mirror/llvm,GPUOpen-Drivers/llvm,GPUOpen-Drivers/llvm,GPUOpen-Drivers/llvm,GPUOpen-Drivers/llvm,GPUOpen-Drivers/llvm,GPUOpen-Drivers/llvm,llvm-mirror/llvm,llvm-mirror/llvm,llvm-mirror/llvm,GPUOpen-Drivers/llvm,GPUOpen-Drivers/llvm