Add Software.Asset interface to code-update

Added Software.Asset interface which provides Manufacturer and
Release Date information to code-update.md

Change-Id: Ib5641cd6602a33ec7aced3a40f137fb6a17bc4e2
Signed-off-by: Prithvi Pai <ppai@nvidia.com>
diff --git a/designs/code-update.md b/designs/code-update.md
index 8257e1b..a69e4b1 100644
--- a/designs/code-update.md
+++ b/designs/code-update.md
@@ -4,6 +4,8 @@
 
 Created: 4th August 2023
 
+Last Updated: Jun 09, 2025
+
 ## Problem Description
 
 This section covers the limitations discoverd with
@@ -146,6 +148,7 @@
 | [xyz.openbmc_project.Software.ActivationProgress](https://github.com/openbmc/phosphor-dbus-interfaces/blob/master/yaml/xyz/openbmc_project/Software/ActivationProgress.interface.yaml)                 |   Existing   |               Provides activation progress percentage               |
 | [xyz.openbmc_project.Software.ActivationBlocksTransition](https://github.com/openbmc/phosphor-dbus-interfaces/blob/master/yaml/xyz/openbmc_project/Software/ActivationBlocksTransition.interface.yaml) |   Existing   | Signifies barrier for state transitions while update is in progress |
 | [xyz.openbmc_project.Software.RedundancyPriority](https://github.com/openbmc/phosphor-dbus-interfaces/blob/master/yaml/xyz/openbmc_project/Software/RedundancyPriority.interface.yaml)                 |   Existing   |     Provides the redundancy priority for the version interface      |
+| [xyz.openbmc_project.Software.Asset](https://github.com/openbmc/phosphor-dbus-interfaces/tree/master/yaml/xyz/openbmc_project/Software/Asset.interface.yaml)                                           |     New      |         Provides Manufacturer and Release Date information          |
 
 Introduction of xyz.openbmc_project.Software.Update interface streamlines the
 update invocation flow and hence addresses the [Issue# 2](#problem-description)