PM: Addressed TODOs in hcode image build HWP.

Commit addresses TODOs which were found to be functional.
Code has been updated for those which needed an investigation.
TODOs which intend design improvement has been deferred for next
release.

Change-Id: I68eb6c388cc9ff6bb72b79d9de718baa2812beab
RTC: 184604
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/59317
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Tested-by: Hostboot CI <hostboot-ci+hostboot@us.ibm.com>
Reviewed-by: RANGANATHPRASAD G. BRAHMASAMUDRA <prasadbgr@in.ibm.com>
Reviewed-by: Gregory S. Still <stillgs@us.ibm.com>
Reviewed-by: Jennifer A. Stofer <stofer@us.ibm.com>

import/chips/p9/procedures/hwp/lib/p9_hcode_image_defines.H

@@ -59,7 +59,6 @@ namespace p9_hcodeImageBuild
 #endif //__cplusplus
 #endif //__ASSEMBLER__
 
-//FIXME to make future addition simple, need a better solution
 /**
  * @brief returns maximum quad common rings that enter HOMER.
  */
@@ -255,9 +254,7 @@ HCD_HDR_PAD(IMG_HDR_ALIGN_SIZE);
 #ifdef __ASSEMBLER__
 .endm
 #else
-//FIXME RTC 155018
-//Eventually SGPE Img header has been defined to be of size 96B. Next 36B would be for
-//debug pointer.Aligning SGPE image header to 64B boundary.
+//SGPE header size is 96B
 } __attribute__((packed, aligned(IMG_HDR_ALIGN_SIZE))) sgpeHeader_t;
 #endif
 
@@ -299,9 +296,7 @@ HCD_HDR_PAD(IMG_HDR_ALIGN_SIZE);
 #ifdef __ASSEMBLER__
 .endm
 #else
-//FIXME RTC 155018
-//Eventually CME Img header might be of size 96B. Next 36B would be for
-//debug pointer.Aligning CME image header to 64B boundary.
+//CME Header size is 96B
 } __attribute__((packed, aligned(IMG_HDR_ALIGN_SIZE))) cmeHeader_t;
 #endif
 
@@ -364,9 +359,7 @@ HCD_HDR_UINT32(g_pgpe_doptrace_length,          0 );        // Deep Opeartional
 #ifdef __ASSEMBLER__
 .endm
 #else
-//FIXME RTC 155018
-//Eventually PGPE Img header has been defined to be of size 96B. Next 36B would be for
-//debug pointer.Aligning PGPE image header to 64B boundary.
+//PGPE Header size is 128B
 } __attribute__((packed, aligned(IMG_HDR_ALIGN_SIZE))) PgpeHeader_t;
 #endif
 
@@ -618,6 +611,7 @@ typedef struct
     uint8_t                 cmeSramRegion[CME_REGION_SIZE];
 } CPMRLayout_t;
 
+
 /**
  * @brief   models image section associated with PGPE in HOMER.
  */
@@ -631,7 +625,8 @@ typedef struct
     uint8_t  ppmr_reserved0[PGPE_IMAGE_RESERVE_SIZE];
     uint8_t  occParmBlock[sizeof(OCCPstateParmBlock)];  // PPMR + 128KB
     uint8_t  occParmBlockReserve[OCC_PSTATE_PARAM_BLOCK_REGION_SIZE - sizeof(OCCPstateParmBlock)];
-    uint8_t  pstateTable[PGPE_PSTATE_OUTPUT_TABLES_REGION_SIZE];  // PPMR + 144KB
+    uint8_t  pstateTable[sizeof(GeneratedPstateInfo)];  // PPMR + 144KB
+    uint8_t  pstateTableReserve[PGPE_PSTATE_OUTPUT_TABLES_REGION_SIZE - sizeof(GeneratedPstateInfo)];
     uint8_t  ppmr_reserved1[WOF_TABLE_RESERVE];
     uint8_t  wofTableSize[OCC_WOF_TABLES_SIZE]; //WOF Tables located ar PPMR base + 768KB
 } PPMRLayout_t;