Revert "lenovo/t400/4.5-1564-g6fa36c9c2c-dirty/2017-04-16T13_28_27Z"

This reverts commit e5454d36ca2f96e452a228db9a1485bff2e8f32e.

The commit in question deletes a lot of unrelated files, and needs to be
reverted.
diff --git a/amd/olivehill/4.0-7005-gb9a0809/2014-10-08T13:44:17Z/revision.txt b/amd/olivehill/4.0-7005-gb9a0809/2014-10-08T13:44:17Z/revision.txt
new file mode 100644
index 0000000..8c2e00c
--- /dev/null
+++ b/amd/olivehill/4.0-7005-gb9a0809/2014-10-08T13:44:17Z/revision.txt
@@ -0,0 +1,5 @@
+Local revision: b9a0809
+Tagged revision: 4.0-7005-gb9a0809
+Upstream revision: b9a0809
+Upstream URL: 192.168.0.80/home/baozheng/x86/coreboot-gerrit
+Timestamp: 2014-10-08T13:44:17Z