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/jetway/nf81-t56n-lf/4.0-5676-g1547ef2-dirty/2014-03-24T11:54:34Z/revision.txt b/jetway/nf81-t56n-lf/4.0-5676-g1547ef2-dirty/2014-03-24T11:54:34Z/revision.txt
new file mode 100644
index 0000000..2b80e31
--- /dev/null
+++ b/jetway/nf81-t56n-lf/4.0-5676-g1547ef2-dirty/2014-03-24T11:54:34Z/revision.txt
@@ -0,0 +1,5 @@
+Local revision: 1547ef2-dirty
+Tagged revision: 4.0-5676-g1547ef2-dirty
+Upstream revision: 1547ef2
+Upstream URL: 
+Timestamp: 2014-03-24T11:54:34Z