lasips2: LASI PS/2 devices are not user-createable

Those PS/2 ports are created with the LASI controller when
a 32-bit PA-RISC machine is created.

Mark them not user-createable to avoid showing them in
the qemu device list.

Signed-off-by: Helge Deller <deller@gmx.de>
Cc: qemu-stable@nongnu.org
(cherry picked from commit a1e6a5c)
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>

hw/input/lasips2.c

@@ -351,6 +351,11 @@ static void lasips2_port_class_init(ObjectClass *klass, void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
 
+    /*
+     * The PS/2 mouse port is integreal part of LASI and can not be
+     * created by users without LASI.
+     */
+    dc->user_creatable = false;
     dc->realize = lasips2_port_realize;
 }
 
@@ -397,6 +402,11 @@ static void lasips2_kbd_port_class_init(ObjectClass *klass, void *data)
     DeviceClass *dc = DEVICE_CLASS(klass);
     LASIPS2PortDeviceClass *lpdc = LASIPS2_PORT_CLASS(klass);
 
+    /*
+     * The PS/2 keyboard port is integreal part of LASI and can not be
+     * created by users without LASI.
+     */
+    dc->user_creatable = false;
     device_class_set_parent_realize(dc, lasips2_kbd_port_realize,
                                     &lpdc->parent_realize);
 }