Include WOF power mode explicitly inside tables

New header for mode inclusion.  Needed to distinguish
which table to use.

Change-Id: I037e95288ccb5a963bd24e53484c8731c52d9790
RTC:187340
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/54535
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Tested-by: Hostboot CI <hostboot-ci+hostboot@us.ibm.com>
Reviewed-by: Christian R. Geddes <crgeddes@us.ibm.com>
Reviewed-by: Corey V. Swenson <cswenson@us.ibm.com>
Reviewed-by: Gregory S. Still <stillgs@us.ibm.com>
Reviewed-by: Jennifer A. Stofer <stofer@us.ibm.com>
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/54544
Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins OP HW <op-hw-jenkins+hostboot@us.ibm.com>
Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>

src/import/chips/p9/procedures/hwp/lib/p9_pstates_common.h

@@ -5,7 +5,7 @@
 /*                                                                        */
 /* OpenPOWER HostBoot Project                                             */
 /*                                                                        */
-/* Contributors Listed Below - COPYRIGHT 2015,2017                        */
+/* Contributors Listed Below - COPYRIGHT 2015,2018                        */
 /* [+] International Business Machines Corp.                              */
 /*                                                                        */
 /*                                                                        */
@@ -341,14 +341,33 @@ typedef struct __attribute__((packed)) VFRTHeaderLayout
     uint8_t rsvd_QAId;
 } VFRTHeaderLayout_t;// WOF Tables Header
 
+typedef enum
+{
+    WOF_MODE_UNKNOWN = 0,
+    WOF_MODE_NOMINAL = 1,
+    WOF_MODE_TURBO   = 2
+} WOF_MODE;
+
 typedef struct __attribute__((packed, aligned(128))) WofTablesHeader
 {
 
     /// Magic Number
     ///   Set to ASCII  "WFTH___x" where x is the version of the VFRT structure
     uint32_t magic_number;
 
-    uint32_t reserved_version; // reserved:24b, version:8b
+    /// Reserved version
+    /// version 1 - mode is reserved (0)
+    /// version 2 - mode is SET to 1 or 2
+    union
+    {
+        uint32_t reserved_version;
+        struct
+        {
+            unsigned reserved_bits: 20;
+            unsigned mode: 4;  /// new to version 2 (1 = Nominal, 2 = Turbo)
+            uint8_t  version;
+        } PACKED;
+    };
 
     /// VFRT Block Size
     ///    Length, in bytes, of a VFRT