[U-Boot] [PATCH v2 3/6] moveconfig: Tidy up the documentation and add hints

[sjg at google.com]

The newest clean-up features are not mentioned in the docs. Fix this and
add a few hints for particular workflows that are hopefully helpful.

Signed-off-by: Simon Glass <sjg at chromium.org>
---

Changes in v2:
- Adjust hints to include Tom Rini's <(...) approach
- Drop change of 'headers' to 'header'

 tools/moveconfig.py | 22 ++++++++++++++++++++--
 1 file changed, 20 insertions(+), 2 deletions(-)

Applied to u-boot-dm, thanks!