Optimize remote control driver

    commit 53695c8689c1352b569602db0c56856135038859
    Author: huangzhibao <hzb@rock-chips.com>
    Date:   Thu Jul 4 18:04:37 2013 +0800

       update  remote control driver
RK3188T:limit the max frequency of 3188T to 1.4G
        It has no effect on the chip 3188.
Merge branch 'radxa/mirror/rockchip' into rockchip-3.0