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/t420/4.4-dirty/2016-05-17T17_43_15Z/cbfs.txt b/lenovo/t420/4.4-dirty/2016-05-17T17_43_15Z/cbfs.txt
new file mode 100644
index 0000000..f91e79e
--- /dev/null
+++ b/lenovo/t420/4.4-dirty/2016-05-17T17_43_15Z/cbfs.txt
@@ -0,0 +1,20 @@
+Name                           Offset     Type         Size
+cbfs master header             0x0        cbfs header  32
+cpu_microcode_blob.bin         0x80       microcode    22528
+vgaroms/seavgabios.bin         0x5900     raw          28672
+config                         0xc980     raw          553
+revision                       0xcc00     raw          569
+cmos.default                   0xce80     cmos_default 256
+cmos_layout.bin                0xcfc0     cmos_layout  1960
+payload_config                 0xd7c0     raw          1632
+payload_revision               0xde80     raw          237
+(empty)                        0xdfc0     null         8088
+fallback/romstage              0xff80     stage        71044
+fallback/dsdt.aml              0x21580    raw          13094
+(empty)                        0x24900    null         46488
+mrc.cache                      0x2fec0    mrc_cache    65536
+fallback/ramstage              0x3ff00    stage        84555
+fallback/payload               0x549c0    payload      60339
+img/nvramcui                   0x635c0    payload      108892
+(empty)                        0x7df80    null         529240
+bootblock                      0xff300    bootblock    2984