Update and improve the building documentation of Apalis iMX8.
The following changes were made:
- imx-atf repository changed to nxp-imx GitHub.
- imx-atf branch updated to 'lf_v2.6'.
- imx-seco updated to version 5.8.7.
- nxp-imx mfgtools link updated to GitHub releases.
- General writing improvements.
Signed-off-by: Hiago De Franco <hiago.franco@toradex.com>
- Update SPDX-License-Identifier from obsolete GPL-2.0+ to
GPL-2.0-or-later.
- Add links to product websites of SoM and carrier board where missing.
- Add information about update U-Boot wrapper where missing.
- Add sectionauthor where missing.
- Update information about imx-seco from version 3.7.4 to 3.8.1.
- Various minor grammatic and spelling fixes.
- Improve whitespace by adding or removing new lines.
- Change from code-block for output to just Output::.
Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>