Document new NCMP Status Code: 112, message too large

- Updated RTD
- Added new value to relevant Enum (although not used in our code)

Issue-ID: CPS-2178
Signed-off-by: ToineSiebelink <toine.siebelink@est.tech>
Change-Id: I4ba8c1622921919ae253a292d96307439ef20e2a
diff --git a/docs/cps-ncmp-message-status-codes.rst b/docs/cps-ncmp-message-status-codes.rst
index 90590a2..018cf4a 100644
--- a/docs/cps-ncmp-message-status-codes.rst
+++ b/docs/cps-ncmp-message-status-codes.rst
@@ -40,6 +40,8 @@
     +-----------------+------------------------------------------------------+-----------------------------------+
     | 111             | alternate id already associated                      | Inventory                         |
     +-----------------+------------------------------------------------------+-----------------------------------+
+    | 112             | message too large                                    | Data Operation                    |
+    +-----------------+------------------------------------------------------+-----------------------------------+
 
 .. note::