[L] Change in flashrom[master]: doc: Add build instructions

[Alexander Goncharov (Code Review)]

Attention is currently required from: Thomas Heijligen, Stefan Reinauer, Anastasia Klimchuk, Peter Marheine.

Alexander Goncharov has posted comments on this change. ( https://review.coreboot.org/c/flashrom/+/73359 )

Change subject: doc: Add build instructions
......................................................................

Patch Set 4:

(2 comments)

File doc/conf.py:

https://review.coreboot.org/c/flashrom/+/73359/comment/be37c46c_89383e4d 
PS4, Line 27: todo_include_todos = False
The name of this option isn't clear enough, so how about adding a comment before it (taken from sphinx docs):

```
# If true, `todo` and `todolist` produce output, else they produce nothing.
```

File doc/index.rst:

https://review.coreboot.org/c/flashrom/+/73359/comment/91b5ca3f_5a1cfe98 
PS4, Line 7:   :glob:
As far as I understand, it's used for globbing. But there's no wildcard pattern.. did I miss something?