Updated the Zephyr build process description to include description of
all Zephyr link stages.
It extends the guide with description of the intermediate binaries as
well as the post-processing of those binaries.
- Unfixed size binary
- Fixed size binary
Post-processing
- Partition alignment
- ISR table generation
Build stages images has been updated and new images showing the
post-processing stages of the intermediate binaries has been added.
Signed-off-by: Torsten Rasmussen <Torsten.Rasmussen@nordicsemi.no>