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/lenovo/x220/4.5-1397-g50db9c99be/2017-03-27T14_22_13Z/cbfs.txt b/lenovo/x220/4.5-1397-g50db9c99be/2017-03-27T14_22_13Z/cbfs.txt
new file mode 100644
index 0000000..df46355
--- /dev/null
+++ b/lenovo/x220/4.5-1397-g50db9c99be/2017-03-27T14_22_13Z/cbfs.txt
@@ -0,0 +1,20 @@
+Name                           Offset     Type         Size
+cbfs master header             0x0        cbfs header  32
+fallback/romstage              0x80       stage        80804
+cpu_microcode_blob.bin         0x13cc0    microcode    22528
+config                         0x19540    raw          829
+revision                       0x198c0    raw          582
+cmos.default                   0x19b40    cmos_default 256
+cmos_layout.bin                0x19c80    cmos_layout  2060
+fallback/dsdt.aml              0x1a500    raw          13421
+etc/grub.cfg                   0x1d9c0    raw          3435
+(empty)                        0x1e780    null         5912
+mrc.cache                      0x1fec0    mrc_cache    65536
+fallback/ramstage              0x2ff00    stage        91764
+img/coreinfo                   0x465c0    payload      101272
+img/nvramcui                   0x5f180    payload      140988
+fallback/payload               0x81880    payload      587503
+img/tint                       0x110fc0   payload      93992
+img/memtest                    0x127f40   payload      180268
+(empty)                        0x153fc0   null         6860376
+bootblock                      0x7dee40   bootblock    4200