update for these changes:
- license
- recipe enable for ptests
- new class, recipe and variable.
- PACKAGECONFIG
- some utility script, class and include file.
- bitbake.
- qemu/runqemu.
- Contributors.
removed wic as no significant change or improvement.
Antonin Godard: amend and fix some typos.
(From yocto-docs rev: afbcc16cd5244d8bb6bb79796aa064156f99e3d3)
Signed-off-by: Lee Chee Yang <chee.yang.lee@intel.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Antonin Godard <antonin.godard@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
e21d9bcda7