Adds documentation of file system APIs
Jira: ZEP-643
Change-Id: Ieac14a3dcf4913aeba6da2d3dc718eaa09b6cd88
Signed-off-by: Ramesh Thomas <ramesh.thomas@intel.com>
Adds the header files containing Zephyr File System API
descriptions and interfaces.
Origin: Original
Jira: ZEP-228 ZEP-480
Change-Id: I76a000187a133df7a82329af78aec9ea6511915c
Signed-off-by: Ramesh Thomas <ramesh.thomas@intel.com>