reorganize pci-ids.txt

Some devices were missing, and we're using two PCI vendor ids.
This patch only adds devices that are already documented in hw/pci/pci.h.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

docs/specs/pci-ids.txt

@@ -3,29 +3,30 @@ PCI IDs for qemu
 ================
 
 Red Hat, Inc. donates a part of its device ID range to qemu, to be used for
-virtual devices.  The vendor ID is 1af4 (formerly Qumranet ID).
+virtual devices.  The vendor IDs are 1af4 (formerly Qumranet ID) and 1b36.
 
-The 1000 -> 10ff device ID range is used for VirtIO devices.
+Contact Gerd Hoffmann <kraxel@redhat.com> to get a device ID assigned
+for your devices.
 
-The 1100 device ID is used as PCI Subsystem ID for existing hardware
-devices emulated by qemu.
+1af4 vendor ID
+--------------
 
-All other device IDs are reserved.
-
-
-VirtIO Device IDs
------------------
+The 1000 -> 10ff device ID range is used as follows for virtio-pci devices.
+Note that this allocation separate from the virtio device IDs, which are
+maintained as part of the virtio specification.
 
 1af4:1000  network device
 1af4:1001  block device
 1af4:1002  balloon device
 1af4:1003  console device
-
-1af4:1004  Reserved.
-   to      Contact Gerd Hoffmann <kraxel@redhat.com> to get a
-1af4:10ef  device ID assigned for your new virtio device.
+1af4:1004  SCSI host bus adapter device
+1af4:1005  entropy generator device
 
 1af4:10f0  Available for experimental usage without registration.  Must get
    to      official ID when the code leaves the test lab (i.e. when seeking
 1af4:10ff  upstream merge or shipping a distro/product) to avoid conflicts.
 
+1af4:1100  Used as PCI Subsystem ID for existing hardware devices emulated
+           by qemu.
+
+All other device IDs are reserved.