Build qemu in trusted toolchain as a 32bit executable which will run on both 32 and 64bit systems. Made build more hermetic.
Build qemu in trusted toolchain as a 32bit executable which will run on both
32 and 64bit systems.
Made build more hermetic.

Review URL: http://codereview.chromium.org/1613007

git-svn-id: 721b910a23eff8a86f00c8fd261a7587cddf18f8@2010 fcba33aa-ac0c-11dd-b9e7-8d5594d729c2

sbc100/native_client,sbc100/native_client,nacl-webkit/native_client,nacl-webkit/native_client,nacl-webkit/native_client,sbc100/native_client,sbc100/native_client,sbc100/native_client,nacl-webkit/native_client,nacl-webkit/native_client,sbc100/native_client