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/e350m1/4.4-579-g0e820ce/2016-06-22T20_21_13Z/rom_checksum.txt b/asrock/e350m1/4.4-579-g0e820ce/2016-06-22T20_21_13Z/rom_checksum.txt
new file mode 100644
index 0000000..ef3ded3
--- /dev/null
+++ b/asrock/e350m1/4.4-579-g0e820ce/2016-06-22T20_21_13Z/rom_checksum.txt
@@ -0,0 +1 @@
+5670e09fa822669af998e6e4b88892c6 *build/coreboot.rom