x86/PCI: Increase info->res_num before checking pci_use_crs

We should increase info->res_num before we checking pci_use_crs return
when pci=nocrs set.

No functional change, since we don't use res_num and res_offset[]
in the "!pci_use_crs" case anyway, but this makes the code read better.

Signed-off-by: Yijing Wang <wangyijing@huawei.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: Jiang Liu <liuj97@gmail.com>
Cc: "Rafael J. Wysocki" <rafael.j.wysocki@intel.com>
Cc: Feng Tang <feng.tang@intel.com>