bump opensbi to get mailbox address from dts.

matthewgui · matthewgui · commit d6ffff7d9945 · 2025-11-07T14:40:40.000+08:00
Signed-off-by: guibing &lt;guibing@nucleisys.com&gt;
diff --git a/opensbi b/opensbi
@@ -1 +1 @@
-Subproject commit 5f2ebc11d43a056ca1b43e063fa99896a54dcba1
+Subproject commit c304079c9c6d53b05dbc2e11d122a32522872106
