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/asrock/e350m1/4.4-1727-g75b2237/2016-10-01T06_38_34Z/rom_checksum.txt b/asrock/e350m1/4.4-1727-g75b2237/2016-10-01T06_38_34Z/rom_checksum.txt
new file mode 100644
index 0000000..02dc77f
--- /dev/null
+++ b/asrock/e350m1/4.4-1727-g75b2237/2016-10-01T06_38_34Z/rom_checksum.txt
@@ -0,0 +1 @@
+be0c9e8879f9a06675ea129e9b8574c2 *build/coreboot.rom