mctp_server eternal timeout by default

target/ast10x0/tests/mctp/server/BUILD.bazel

diff --git a/target/ast10x0/tests/mctp/server/BUILD.bazel b/target/ast10x0/tests/mctp/server/BUILD.bazel
index e955524..b3dd47e 100644
--- a/target/ast10x0/tests/mctp/server/BUILD.bazel
+++ b/target/ast10x0/tests/mctp/server/BUILD.bazel
@@ -221,4 +221,5 @@
         "//target/ast10x0:qemu_enabled": ["@platforms//:incompatible"],
         "//conditions:default": [],
     }),
+    timeout = "eternal",
 )