解决disagrees about version of symbol device

学习正点原子led驱动移植，出现下面错误：

modprobe newchrled.ko 
newchrled: disagrees about version of symbol device_create
newchrled: Unknown symbol device_create (err -22

参考手册给的办法比较概括，如下图所示，现在给出具体的步骤

解决核心思想：内核版本与模块版本不一致造成，更改版本一致即可解决。

 "/home/ws/linux/IMX6ULL/linux/linux-imx-rel_imx_4.1.15_2.1.0_ga_alientek/include", 
 "/home/ws/linux/IMX6ULL/linux/linux-imx-rel_imx_4.1.15_2.1.0_ga_alientek/arch/arm/include", 
 "/home/ws/linux/IMX6ULL/linux/linux-imx-rel_imx_4.1.15_2.1.0_ga_alientek/arch/arm/include/generated/"