Modify VPD fetchData() call to allow for reading from actual HW

  - On an OpenPower system VPD can come from either the cache
    (in PNOR) or off of the real HW system.
  - Previously the option was just to read from the cache which
    wasn't always present

Change-Id: I2a0997ac7b594b10b3760399c8700e1bcc56e54b
CQ: SW442212
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/64702
Reviewed-by: Richard Ward <rward15@us.ibm.com>
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
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: Prachi Gupta <pragupta@us.ibm.com>
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>

src/usr/vpd/ipvpd.C

@@ -540,7 +540,8 @@ errlHndl_t IpVpdFacade::loadPnor ( TARGETING::Target * i_target )
     uint16_t sRecLength = 0;
     uint16_t pRecOffset = IPVPD_TOC_SIZE;  // Records begin after TOC
     input_args_t sRecArgs;
-    sRecArgs.location = VPD::SEEPROM;
+    sRecArgs.location =
+              static_cast<VPD::vpdCmdTarget>(VPD::SEEPROM | VPD::USEVPD);
 
     std::list<TocPtRecord> recList;
     recList.clear();