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To support the Zephyr scoping feature used by snippets and yaml module
then this commit moves from using custom targets to use GLOBAL
properties for scopes.
A scope property is prefixed with `<scope>:<property>` to avoid naming
collisions.
A `scope:<scope-name>` global property is used to track created scopes.
Tracking valid scopes ensure that properties are only set on known
scopes and thus catches typos / naming errors.
Add zephyr_scope_exists() and zephyr_get_scoped() to abstract the
implementation details of the scoped property retrieval and refactor
current code to use them.
Signed-off-by: Torsten Rasmussen <Torsten.Rasmussen@nordicsemi.no>
Signed-off-by: Luca Burelli <l.burelli@arduino.cc>
(cherry picked from commit 4e29a35b22)
Torsten Rasmussen