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/asus/kfsn4-dre_k8/4.4-427-gd841da8/2016-06-07T14_59_07Z/rom_checksum.txt b/asus/kfsn4-dre_k8/4.4-427-gd841da8/2016-06-07T14_59_07Z/rom_checksum.txt
new file mode 100644
index 0000000..b3169d1
--- /dev/null
+++ b/asus/kfsn4-dre_k8/4.4-427-gd841da8/2016-06-07T14_59_07Z/rom_checksum.txt
@@ -0,0 +1 @@
+5c78ee4a767c4b11f1e195df15303f81 *build/coreboot.rom