Clear EECACHE for PDR-based VPD if BMC does not provide data
Clear EECACHE for PDR-based VPD if BMC does not provide data

If the BMC is responsible for providing VPD data to Hostboot but
we don't get any data from them, we need to clear out the copy
of data in our eeprom cache.

Change-Id: I55476c1ba2a443bfbeb56d7756e471a691e05753
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/129874
Tested-by: Jenkins OP Build CI <e610bd72261d3c0a48f1e8ae36832ab00774d426@us.ibm.com>
Tested-by: Jenkins Server <8e3f934e4c44875bc48d33da3ea13d93ba9a233f@us.ibm.com>
Tested-by: Jenkins Combined Simics CI <8312af3886dfc9bb930f549023677220805b137e@us.ibm.com>
Tested-by: FSP CI Jenkins <aa9e4d9ac7cd25905e9c0dd36d4150516e73dd86@us.ibm.com>
Tested-by: Jenkins OP HW <0eb0fff262f74a65a832afbcc7b153e391c9a3fd@us.ibm.com>
Tested-by: Hostboot CI <52521565bd8ea18a2b112942dce4f4220a97c2c8@us.ibm.com>
Reviewed-by: Michael Baiocchi <a81f28e8886c5e2bd4bbd867228778c3b7b19dea@us.ibm.com>
Reviewed-by: Matthew Raybuck <9bcecd56bb1097e934e4548e2b924569df303f40@ibm.com>
Reviewed-by: Nick Bofferding <fb8db48116bc8a69e29dd8cdb037246f232f4af5@us.ibm.com>

open-power/hostboot,open-power/hostboot,open-power/hostboot,open-power/hostboot,open-power/hostboot