[coreboot] Lenovo Thinkpad X201: recipe for target 'add_intel_firmware' failed

[Sam Kuper]

I am trying to build Coreboot for the X201, and to improve the
Coreboot wiki's X201 page as I go along.

I am presently following the instructions at this permalink:
https://www.coreboot.org/index.php?title=Board:lenovo/x201&oldid=24764#Method_1:_external_flasher

(I decided to skip the step to neuter the ME:
https://www.coreboot.org/index.php?title=Board:lenovo/x201&oldid=24764#Neutralize_the_Intel_Management_Engine_.28optional.29
. Maybe I will try neutering the X201's ME another day, but first of
all I would like to at least achieve Coreboot running on the X201.)

Everything went fine, so far, until this step:
https://www.coreboot.org/index.php?title=Board:lenovo/x201&oldid=24764#Compile_Coreboot

Let me describe how I attempted to implement that step.

I ran `make distclean`.

I ran `make nconfig`, and selected:

- "Lenovo" under Mainboard > Mainboard vendor

- "ThinkPad X201 / X201s / X201t" under Mainboard > Mainboard model

- "Add Intel descriptor.bin file" under Chipset

- "Add Intel ME/TXE firmware" under Chipset

Then I pressed F9 ("Exit") and saved the config to the default
location ( coreboot/.config ).

Then I ran `make`, which seemed to be going fine until the following output:

    Compile IFDTOOL
    HOSTCC     util/ifdfake/ifdfake
    DD         Adding Intel Firmware Descriptor
src/southbridge/intel/common/firmware/Makefile.inc:50: recipe for
target 'add_intel_firmware' failed
make: *** [add_intel_firmware] Error 1

Can anyone suggest how to overcome this error?

I have attached the .config generated by `make nconfig`, and the full
output of `make`, in case that is useful.

Many thanks!
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