Bump QEMU to 8.2.1

cmuellner · cmuellner · commit fd5841f5e72e · 2024-02-01T09:10:02.000+01:00
Test results (rv64):
```
               ========= Summary of gcc testsuite =========
                            | # of unexpected case / # of unique unexpected case
                            |          gcc |          g++ |     gfortran |
     rv64gc/  lp64d/ medlow |    0 /     0 |    0 /     0 |    0 /     0 |
```

Signed-off-by: Christoph Müllner &lt;christoph.muellner@vrull.eu&gt;
diff --git a/qemu b/qemu
@@ -1 +1 @@
-Subproject commit 6bb4a8a47a43f35a345f107227fcd6abed59e62c
+Subproject commit f48c205fb42be48e2e47b7e1cd9a2802e5ca17b0
