doc/release: Add note on FAT driver update to 0.15
Added note on updating FAT driver to version 0.15 with patch1
@@ -357,6 +357,7 @@ Libraries / Subsystems
* Added new API call `fs_mkfs`.
* Added new sample `samples/subsys/fs/format`.
+ * FAT FS driver has been updated to version 0.15 w/patch1.
* Management
