Support ATTR_LPC_CONSOLE_CNFG attribute

SBE has started supporting LPC console messages on openpower
systems. All systems does not support console as its needs
LPC/BMC support. So this attribute will be used by SBE to control
this feature. HB will customise this attribute in SBE.

Change-Id: I7859e53c8f7b7c48ad70f85583026578a05eb448
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/66507
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Tested-by: HWSV CI <hwsv-ci+hostboot@us.ibm.com>
Tested-by: PPE CI <ppe-ci+hostboot@us.ibm.com>
Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>
Tested-by: Hostboot CI <hostboot-ci+hostboot@us.ibm.com>
Reviewed-by: RAJA DAS <rajadas2@in.ibm.com>
Reviewed-by: Jennifer A. Stofer <stofer@us.ibm.com>
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/66523
Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@us.ibm.com>
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins OP HW <op-hw-jenkins+hostboot@us.ibm.com>

src/import/chips/p9/procedures/xml/attribute_info/pervasive_attributes.xml

@@ -786,4 +786,15 @@
   <writeable/>
 </attribute>
 
+<attribute>
+  <id>ATTR_LPC_CONSOLE_CNFG</id>
+  <targetType>TARGET_TYPE_PROC_CHIP</targetType>
+  <description>Indicates if LPC console is enabled on system</description>
+  <valueType>uint8</valueType>
+  <enum>ENABLE = 0x1,DISABLE = 0x0</enum>
+  <default>DISABLE</default>
+  <platInit/>
+  <mrwHide/>
+</attribute>
+
 </attributes>