Make USB hid devices self-powered

Simplifies power budget negotiation.
Signed-off-by: NRiku Voipio <riku.voipio@nokia.com>
Signed-off-by: NAurelien Jarno <aurelien@aurel32.net>

hw/usb-hid.c

@@ -100,7 +100,7 @@ static const uint8_t qemu_mouse_config_descriptor[] = {
 	0x01,       /*  u8  bNumInterfaces; (1) */
 	0x01,       /*  u8  bConfigurationValue; */
 	0x04,       /*  u8  iConfiguration; */
-	0xa0,       /*  u8  bmAttributes;
+	0xe0,       /*  u8  bmAttributes;
 				 Bit 7: must be set,
 				     6: Self-powered,
 				     5: Remote wakeup,

hw/usb-hub.c

@@ -113,7 +113,7 @@ static const uint8_t qemu_hub_config_descriptor[] = {
 	0x01,       /*  u8  bNumInterfaces; (1) */
 	0x01,       /*  u8  bConfigurationValue; */
 	0x00,       /*  u8  iConfiguration; */
-	0xc0,       /*  u8  bmAttributes;
+	0xe0,       /*  u8  bmAttributes;
 				 Bit 7: must be set,
 				     6: Self-powered,
 				     5: Remote wakeup,