Change in coreboot[master]: util: Add script to download FSP headers

[Krzysztof M Sywula (Code Review)]

Krzysztof M Sywula has posted comments on this change. ( https://review.coreboot.org/28339 )

Change subject: util: Add script to download FSP headers
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Patch Set 1:

Patrick, please review first revision of the script. I saw your comment asking for such utility.

Take a note that currently script doesn't support some families:
1. coreboot.org denverton_ns doesn't match github DenvertonNSFspBinPkg
2. coreboot.org skykabylake doesn't match github KabylakeFspBinPkg
3. coreboot.org glk doesn't exist on github
4. coreboot.org quark doesn't exist on github

(1) and (2) I would recommend renaming to denvertonns and kabylake accordingly as currently they don't follow naming convention.