Reduce maintenance burden of DVSEC query implementation by using the centralized PCI core implementation. There are two obvious places to simply drop in the new core implementation. There remains find_dvsec_from_pos() which would benefit from using a core implementation. As that change is less trivial it is reserved for later. Cc: linuxppc-dev@lists.ozlabs.org Cc: Andrew Donnellan <ajd@linux.ibm.com> Acked-by: Frederic Barrat <fbarrat@linux.ibm.com> (v1) Signed-off-by: Ben Widawsky <ben.widawsky@intel.com> Reviewed-by: Andrew Donnellan <ajd@linux.ibm.com> Link: https://lore.kernel.org/r/163379789065.692348.7117946955275586530.stgit@dwillia2-desk3.amr.corp.intel.com Signed-off-by: Dan Williams <dan.j.williams@intel.com>