[Doc - Silabs] Update docs to point the SMG docs (#22980) (#22986)

* Update docs to point the SMG docs

* Address comment -remove extra )

* Update path to generic Releases

* restyle

* Remove SMG acronym for the pyspelling ci to pass

Author: jmartinez-silabs

docs/guides/README.md

@@ -18,8 +18,9 @@
 -   [nRF Connect - Software Update](./nrfconnect_examples_software_update.md)
 -   [NXP - Android Commissioning](./nxp_k32w_android_commissioning.md)
 -   [NXP - Linux Examples](./nxp_imx8m_linux_examples.md)
+-   [Silicon Labs - Documentation](https://github.com/SiliconLabs/matter#readme)
 -   [Silicon Labs - Building](./silabs_efr32_building.md)
--   [Silicon Labs - Building](./silabs_efr32_software_update.md)
+-   [Silicon Labs - Software Update](./silabs_efr32_software_update.md)
 -   [TI - Platform Overview](./ti_platform_overview.md)
 
 ## Development Guides

docs/guides/silabs_efr32_building.md

@@ -13,8 +13,18 @@ The full list of examples can be found
 [here](https://github.com/project-chip/connectedhomeip/tree/master/examples).
 The GitHub repository also includes tools for testing your Matter project.
 
+## Silicon Labs Matter Github
+
+Silicon Laboratories now maintains a public matter GitHub repo with frequent
+releases thoroughly tested and validated. Developers looking to develop matter
+products with silabs hardware are encouraged to use our latest release with
+added tools and documentation.
+[Silabs Matter Github](https://github.com/SiliconLabs/matter/releases)
+
+The complete Silabs documentation can be found here
+[Silabs Matter Github Documentation](https://github.com/SiliconLabs/matter#readme)
+
 ## Getting Started with Matter on EFR32
 
 Developers can find more resources on
-[Silicon Labs Matter Community Page](https://community.silabs.com/s/article/connected-home-over-ip-chip-faq?language=en_US)
-.
+[Silicon Labs Matter Community Page](https://community.silabs.com/s/article/connected-home-over-ip-chip-faq?language=en_US).