[earlgrey] Add EDN clock to KMAC

Signed-off-by: Eunchan Kim <eunchan@opentitan.org>
diff --git a/hw/top_earlgrey/data/top_earlgrey.hjson b/hw/top_earlgrey/data/top_earlgrey.hjson
index 526889b..a5432ac 100755
--- a/hw/top_earlgrey/data/top_earlgrey.hjson
+++ b/hw/top_earlgrey/data/top_earlgrey.hjson
@@ -385,9 +385,9 @@
     },
     { name: "kmac"
       type: "kmac"
-      clock_srcs: {clk_i: "main"}
+      clock_srcs: {clk_i: "main", clk_edn_i: "main"}
       clock_group: "trans"
-      reset_connections: {rst_ni: "sys"}
+      reset_connections: {rst_ni: "sys", rst_edn_ni: "sys"}
       base_addr: "0x41120000"
     },
     { name: "keymgr",