rt2x00: change REGISTER_TIMEOUT

Waiting 500ms for register access is too long, decrease this value
to 100ms.
Signed-off-by: NStanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

drivers/net/wireless/rt2x00/rt2x00usb.h

@@ -38,7 +38,7 @@
  * a higher value is required. In that case we use the REGISTER_TIMEOUT_FIRMWARE
  * and EEPROM_TIMEOUT.
  */
-#define REGISTER_TIMEOUT		500
+#define REGISTER_TIMEOUT		100
 #define REGISTER_TIMEOUT_FIRMWARE	1000
 #define EEPROM_TIMEOUT			2000