Move MSS volt attr setters to generic folder

Change-Id: I0181d8c408ecd957eab8107dd466d0d6629320bc
Original-Change-Id: I0011160cb34c1dffe54ff5eee3b629e91e3578c2
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/67103
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Reviewed-by: STEPHEN GLANCY <sglancy@us.ibm.com>
Reviewed-by: Louis Stermole <stermole@us.ibm.com>
Tested-by: HWSV CI <hwsv-ci+hostboot@us.ibm.com>
Tested-by: Hostboot CI <hostboot-ci+hostboot@us.ibm.com>
Reviewed-by: ANDRE A. MARIN <aamarin@us.ibm.com>
Reviewed-by: Jennifer A. Stofer <stofer@us.ibm.com>

src/import/generic/procedures/xml/error_info/generic_error.xml

@@ -279,6 +279,18 @@
   </deconfigure>
 </hwpError>
 
+  <hwpError>
+    <rc>RC_MSS_VOLT_WRONG_NUMBER_OF_VOLTAGES</rc>
+    <description>Incorrect number of voltages supplied to set_voltage_attributes function</description>
+    <ffdc>VOLT_TARGET</ffdc>
+    <ffdc>SUPPLIED_NUMBER</ffdc>
+    <ffdc>EXPECTED_NUMBER</ffdc>
+    <callout>
+      <procedure>CODE</procedure>
+      <priority>HIGH</priority>
+    </callout>
+  </hwpError>
+
   <hwpError>
     <rc>RC_MSS_PORT_DOES_NOT_SUPPORT_MAJORITY_FREQ</rc>
     <description>