manifest: Update hal_silabs

Import files related to the firmware upgrade and the SoC reset for siwx91x.

[Jérôme: split commits, reword the commit log]

Co-authored-by: Jérôme Pouiller <[email protected]>
Signed-off-by: Jérôme Pouiller <[email protected]>
Signed-off-by: Rahul Gurram <[email protected]>

Author: 2 people

west.yml

@@ -240,7 +240,7 @@ manifest:
       groups:
         - hal
     - name: hal_silabs
-      revision: ae1afd84a2acb0cdca2b691047d81a61ce3f9356
+      revision: 764d9153c69178bc851625d5a6a15fde237e626a
       path: modules/hal/silabs
       groups:
         - hal