Fix Rainier power sequence build error

The 'GPIOAnalysis' section of the power sequence YAML file is not
optional.  Add a dummy section to allow for successful builds.

Signed-off-by: Jim Wright <jlwright@us.ibm.com>
Change-Id: Idb5101e728a822797f34f1d4007a128a86635590
diff --git a/meta-witherspoon/recipes-phosphor/power/power-sequencer/rainier/ucd90160.yaml b/meta-witherspoon/recipes-phosphor/power/power-sequencer/rainier/ucd90160.yaml
index d23ce58..e40e8dd 100644
--- a/meta-witherspoon/recipes-phosphor/power/power-sequencer/rainier/ucd90160.yaml
+++ b/meta-witherspoon/recipes-phosphor/power/power-sequencer/rainier/ucd90160.yaml
@@ -198,3 +198,13 @@
         pinID:           83
         poll:            false
         analysis:        none
+  GPIOAnalysis:
+      - type:            none
+        path:            ""
+        gpio_value:      low
+        error_function:  memGoodError
+        option_flags:    none
+        GPIODefinitions:
+            - GPIODefinition: none
+              gpio:      0
+              callout:   ""