Revert "Revert "Add x86_64 architecture support""

This reverts commit 354630570900cd5c2180610acfa47422ff484fe6

Change-Id: I832a675911f66837f31ea47d19babf5c656bfaf9
Reviewed-on: https://gerrit.chromium.org/gerrit/12044
Commit-Ready: Simon Glass <sjg@chromium.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Simon Glass <sjg@chromium.org>
2 files changed