* docs: Improve consistency
The following rules have been implemented:
1. Tables/lists should contain only the carriers that we support for
that reference design.
2. Hexadecimal addresses should be written in caps and separated
by an underscore (eg. 0x9C4A_0000).
3. Block diagrams should contain subtitles only if there are at
least two different diagrams.
4. The GPIOs should be listed in descending order and should have
the number of bits specified next to their name.
5. All the source code links references should contain the project
name.
6. The infrastructure documentation, if exists, should be listed
after the IP list.
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