ide: Fix ide probe

ide_drive::probe(), all the PCI_CLASS_STORAGE devices are probed
including the virtio-scsi device. This way ide driver will hijack
virtio-scsi handling.

Fix it by only matching PCI_CLASS_STORAGE && PCI_SUB_CLASS_STORAGE_IDE
devices

Signed-off-by: Asias He <asias@cloudius-systems.com>

drivers/ide.cc

@@ -171,7 +171,7 @@ hw_driver* ide_drive::probe(hw_device* dev)
     if (_instance > 0)
         return nullptr;
     if (auto pci_dev = dynamic_cast<pci::device*>(dev)) {
-        if (pci_dev->get_base_class_code() == pci::function::PCI_CLASS_STORAGE ||
+        if (pci_dev->get_base_class_code() == pci::function::PCI_CLASS_STORAGE &&
             pci_dev->get_sub_class_code() == pci::function::PCI_SUB_CLASS_STORAGE_IDE) {
 
             /* Reset controller */