VS-RK3288瑞芯微主板Linux 修改BOOTDELAY

VS-RK3288瑞芯微主板Linux 修改BOOTDELAY uboot进入kernel中间的延时时间可以通过BOOTDELAY这个宏来控制。修改uboot/common/Kconfig文件 config BOOTDELAY int "delay in seconds before automatically booting" default 0 depends on AUTOBOOT help Delay before automatically running bootcmd; set to 0 to autoboot with no delay but you can stop it by key input. set to -1 to disable autoboot. set to -2 to autoboot with no delay and not check for abort See doc/README.autoboot for details. default 0 表示不延时，1表示延时1s。