docs: Add note on addition of zephyr retention shared boot info
Adds a note that Zephyr can now use the retention subsystem to
share information with applications about MCUboot's configuration.
Signed-off-by: Jamie McCrae <jamie.mccrae@nordicsemi.no>
diff --git a/docs/release-notes.d/zephyr-data-sharing.md b/docs/release-notes.d/zephyr-data-sharing.md
new file mode 100644
index 0000000..fceb9f5
--- /dev/null
+++ b/docs/release-notes.d/zephyr-data-sharing.md
@@ -0,0 +1,2 @@
+- (Zephyr) Adds support for sharing boot information with
+ application via retention subsystem