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/pcengines/apu2/4.5-801-gfeb4ef6/2017-01-11T16_15_42Z/rom_checksum.txt b/pcengines/apu2/4.5-801-gfeb4ef6/2017-01-11T16_15_42Z/rom_checksum.txt
new file mode 100644
index 0000000..d1df9ae
--- /dev/null
+++ b/pcengines/apu2/4.5-801-gfeb4ef6/2017-01-11T16_15_42Z/rom_checksum.txt
@@ -0,0 +1 @@
+f9f16edc8796024ae6b729d3c37b4b24 *build/coreboot.rom