lenovo/t60/4.11-422-g1a5c3bb7fa/2019-12-15T01_20_25Z

Linux needs to be booted with `nosmp` to not hang during boot. This is a
regression in coreboot.

Built with gcc (Debian 9.2.1-21) 9.2.1 20191130.
diff --git a/lenovo/t60/4.11-422-g1a5c3bb7fa/2019-12-15T01_20_25Z/rom_checksum.txt b/lenovo/t60/4.11-422-g1a5c3bb7fa/2019-12-15T01_20_25Z/rom_checksum.txt
new file mode 100644
index 0000000..8de7c58
--- /dev/null
+++ b/lenovo/t60/4.11-422-g1a5c3bb7fa/2019-12-15T01_20_25Z/rom_checksum.txt
@@ -0,0 +1 @@
+2302dcc08d164f2f4656d9962f619c41 *build/coreboot.rom