amd/addrlib: Add missing va_end.

Fix defect reported by Coverity Scan.

Missing varargs init or cleanup (VARARGS)
missing_va_end: va_end was not called for debugPrintInput.ap.

Fixes: 69ea473eeb ("amd/addrlib: update to the latest version")
Signed-off-by: Vinson Lee <vlee@freedesktop.org>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7299>
(cherry picked from commit c8630fd114)

.pick_status.json

@@ -3919,7 +3919,7 @@
         "description": "amd/addrlib: Add missing va_end.",
         "nominated": true,
         "nomination_type": 1,
-        "resolution": 0,
+        "resolution": 1,
         "master_sha": null,
         "because_sha": "69ea473eeb91b2c4db26402c3bc2ed5799d26605"
     },

src/amd/addrlib/src/core/addrobject.cpp

@@ -230,6 +230,7 @@ VOID Object::DebugPrint(
         m_client.callbacks.debugPrint(&debugPrintInput);
 
         va_end(ap);
+        va_end(debugPrintInput.ap);
     }
 #endif
 }