[sival, i2c] Add silicon exec_env to tests

Signed-off-by: Douglas Reis <[email protected]>

Author: engdoreis

sw/device/tests/pmod/BUILD

@@ -294,10 +294,13 @@ opentitan_test(
             "pmod",
         ],  # Requires the PMOD::BoB.
     ),
-    exec_env = {
-        "//hw/top_earlgrey:fpga_cw310_sival": None,
-        "//hw/top_earlgrey:fpga_cw310_test_rom": None,
-    },
+    exec_env = dicts.add(
+        EARLGREY_SILICON_OWNER_ROM_EXT_ENVS,
+        {
+            "//hw/top_earlgrey:fpga_cw310_sival": None,
+            "//hw/top_earlgrey:fpga_cw310_test_rom": None,
+        },
+    ),
     deps = [
         "//hw/top_earlgrey/sw/autogen:top_earlgrey",
         "//sw/device/lib/arch:device",