configs: asrock_romed8hm3: Set nct6779 PowerState to BiosPost

It doesn't seem to come on immediately after the host powers on, but
does seem to be reliably available once the POST_COMPLETE signal is
asserted.

Signed-off-by: Zev Weiss <zev@bewilderbeest.net>
Change-Id: I9cacf9573f266d54feb892048899a6393c39767e
diff --git a/configurations/asrock_romed8hm3.json b/configurations/asrock_romed8hm3.json
index 8dcbbf2..388a8bc 100644
--- a/configurations/asrock_romed8hm3.json
+++ b/configurations/asrock_romed8hm3.json
@@ -538,7 +538,7 @@
             "Name7": "PCH_CHIP_TEMP",
             "Name8": "PCH_CPU_TEMP",
             "Name9": "PCH_MCH_TEMP",
-            "PowerState": "On",
+            "PowerState": "BiosPost",
             "Thresholds": [
                 {
                     "Direction": "greater than",