meta-romulus: Add cpld_reset on power off

Reset CPLD trigger so that it waits after VDD is powered up.

Change-Id: Ide5ac98547b31a29fdcf3ac73d8a6f16ee62848e
Signed-off-by: Lei YU <mine260309@gmail.com>
diff --git a/meta-romulus/recipes-phosphor/chassis/cpld-trigger/cpld_reset.sh b/meta-romulus/recipes-phosphor/chassis/cpld-trigger/cpld_reset.sh
new file mode 100644
index 0000000..f6f06ee
--- /dev/null
+++ b/meta-romulus/recipes-phosphor/chassis/cpld-trigger/cpld_reset.sh
@@ -0,0 +1,4 @@
+#!/bin/sh
+
+# Reset CPLD
+gpioutil -p S7 -d out -v 1