Eliminate all uses of 'le32-nacl-objcopy'.

pydir/run-pnacl-sz.py

Index: pydir/run-pnacl-sz.py
diff --git a/pydir/run-pnacl-sz.py b/pydir/run-pnacl-sz.py
index c1e4f3ad1c7bc4c81ef9ea9851ecb2ecca29c25e..aa379a27c5639c25413b1161eabbc0e11cecace5 100755
--- a/pydir/run-pnacl-sz.py
+++ b/pydir/run-pnacl-sz.py
@@ -8,7 +8,7 @@ import subprocess
 import sys
 import tempfile
 
-from utils import FindBaseNaCl, shellcmd
+from utils import FindBaseNaCl, GetObjdumpCmd, shellcmd
 
 
 def TargetAssemblerFlags(target, sandboxed):
@@ -31,10 +31,6 @@ def TargetDisassemblerFlags(target):
             'mips32':[] }
   return flags[target]
 
-def GetObjdumpCmd():
-  """Return a suitable objdump command."""
-  return 'arm-nacl-objdump'
-
 def main():
     """Run the pnacl-sz compiler on an llvm file.