2014-09-08更新内容,更新后支持RK30xx，RK3188,RK3288等SD卡引导启动。make "boot from SD card" work
u-boot-rockchip/board/rockchip/rk30xx/
u-boot-rockchip/board/rockchip/common/armlinux/config.h
u-boot-rockchip/board/rockchip/common/common/storage.c
u-boot-rockchip/board/rockchip/common/common/emmc/sdmmcBoot.c
u-boot-rockchip/board/rockchip/common/platform/rk30/Isr.c
u-boot-rockchip/board/rockchip/common/platform/rk30/chipDepend.c
u-boot-rockchip/include/configs/rk30xx.h   ;set rk3066 SDK
u-boot-rockchip/include/configs/rkchip.h   ;set rk3066 uboot