fjes: optimize timeout value

This patch optimizes the following timeout value.
 - FJES_DEVICE_RESET_TIMEOUT
 - FJES_COMMAND_REQ_TIMEOUT
 - FJES_COMMAND_REQ_BUFF_TIMEOUT

Signed-off-by: Taku Izumi <izumi.taku@jp.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>