Add USB HID keyboard.


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2996 c046a42c-6fe2-441c-8c8c-71466251a162
diff --git a/qemu-doc.texi b/qemu-doc.texi
index 562a533..cc530d6 100644
--- a/qemu-doc.texi
+++ b/qemu-doc.texi
@@ -1362,6 +1362,8 @@
 Virtual Wacom PenPartner tablet.  This device is similar to the @code{tablet}
 above but it can be used with the tslib library because in addition to touch
 coordinates it reports touch pressure.
+@item @code{keyboard}
+Standard USB keyboard.  Will override the PS/2 keyboard (if present).
 @end table
 
 @node host_usb_devices