[dts] [PATCH V1] framework/main: use safer methods instead of unsafe methods

[Tu, Lijuan]

> Subject: [dts] [PATCH V1] framework/main: use safer methods instead of unsafe
> methods
> 
> it is unsafe to call a system command or execute an external program with user
> input, so use the safer method instead of it.
> 
> Signed-off-by: LihongX Ma <lihongx.ma at intel.com>

Applied