Commit 488445cefa1 ("doc: Move FIT into its own directory") moved the
documentation in doc/uImage.FIT to doc/usage/fit, subsequently all
documents and example sources have been converted to reStructuredText.

Fix (almost) all of the remaining occurrences of the old path and
filenames across the tree.

The exception is doc/uImage.FIT/command_syntax_extensions.txt which
apparently has been removed entirely, or at least I was unable to
locate where that document is now.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>

Signed-off-by: Tom Rini <trini@konsulko.com>

Signed-off-by: Tom Rini <trini@konsulko.com>

Signed-off-by: Tom Rini <trini@konsulko.com>

Signed-off-by: Tom Rini <trini@konsulko.com>

Long ago we took the Linux Kernel documentation about adding a
Signed-off-by line and adjusted it slightly for how we organized things.
In 2003 Linus clarified the intent and then re-worded what the name
portion of the Signed-off-by line can be. Mirror that change here.

Link: https://git.kernel.org/torvalds/c/d4563201f33a
Signed-off-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Quentin Schulz <quentin.schulz@cherry.de>

- We already have good custodian documentation for patchwork, add a
  reference and then link to it here.
- Add a reference to the existing b4 documentation, and reference it
  here.
- Note and link to patchwork integration, am/shazam and ty features of
  b4 as these are the most likely useful portions. Be specific about
  keeping the default ${summary} as that includes important information.

Signed-off-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Mattijs Korpershoek <mkorpershoek@kernel.org>
Reviewed-by: Quentin Schulz <quentin.schulz@cherry.de>

Make use of an anonymous reference for the external link here, per rST
best practices.

Signed-off-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Quentin Schulz <quentin.schulz@cherry.de>

Rather than pointing at the source code for b4, point the the official
documentation. Also, use an anonymous reference for the link, per rST
best practices.

Signed-off-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Quentin Schulz <quentin.schulz@cherry.de>

Make the "Work flow of a Custodian" section be a subsection of the
Custodians section.

Signed-off-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Quentin Schulz <quentin.schulz@cherry.de>
Reviewed-by: Michael Trimarchi <michael@amarulasolutions.com>