Adds lab PDA support

Change-Id: Iea85858e918ddf2d5ba641e1c494eee6e50f91c2
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/49650
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Reviewed-by: Louis Stermole <stermole@us.ibm.com>
Reviewed-by: ANDRE A. MARIN <aamarin@us.ibm.com>
Reviewed-by: Jennifer A. Stofer <stofer@us.ibm.com>
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/51097
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: Christian R. Geddes <crgeddes@us.ibm.com>

src/import/chips/p9/procedures/hwp/memory/lib/dimm/ddr4/pda.C

@@ -254,7 +254,7 @@ fapi2::ReturnCode add_enable( const fapi2::Target<fapi2::TARGET_TYPE_DIMM>& i_ta
     // Overrides the PDA value to be enabled
     l_mrs03.iv_pda = fapi2::ENUM_ATTR_EFF_PER_DRAM_ACCESS_ENABLE;
 
-    FAPI_TRY( mss::mrs_engine(i_target, l_mrs03, i_rank, DELAY, io_inst) );
+    FAPI_TRY( mss::mrs_engine(i_target, l_mrs03, i_rank, mss::ddr4::pda::SAFE_COMMAND_DELAY, io_inst) );
 
 fapi_try_exit:
     return fapi2::current_err;
@@ -306,7 +306,7 @@ fapi2::ReturnCode add_disable( const fapi2::Target<fapi2::TARGET_TYPE_DIMM>& i_t
     // Overrides the PDA value to be disabled
     l_mrs03.iv_pda = fapi2::ENUM_ATTR_EFF_PER_DRAM_ACCESS_DISABLE;
 
-    FAPI_TRY( mss::mrs_engine(i_target, l_mrs03, i_rank, DELAY, io_inst) );
+    FAPI_TRY( mss::mrs_engine(i_target, l_mrs03, i_rank, mss::ddr4::pda::SAFE_COMMAND_DELAY, io_inst) );
 
 fapi_try_exit:
     return fapi2::current_err;

src/import/chips/p9/procedures/hwp/memory/lib/dimm/ddr4/pda.H

@@ -67,7 +67,7 @@ enum consts : uint64_t
     // 10 cycles for safety
     SAFETY = 10,
     // Total delay is your register max + safety
-    DELAY = MAX_PDA_REG + SAFETY,
+    SAFE_COMMAND_DELAY = MAX_PDA_REG + SAFETY,
 
     // PDA on/off settings
     START_DELAY_VALUE = 0,