[dts] [PATCH] framework: enhance the tcpdump direction option parsing

[Liu, Yong]

Thanks, Herbert. Applied.

On 11/06/2017 03:57 PM, Herbert Guan wrote:
> Some tcpdump versions (such as 4.9.0-5.el7) is providing help message
> about direction option with both '-P' and '-Q':
> "		[ -Q|-P in|out|inout ]".
> This format cause option parse fail.
> This patch can enhance the direction option parsing and fix it.
>
> Jira: ENTNET-552
> Change-Id: I5835912905311d90ce4ee9897fa9c83a0266aa01
> Signed-off-by: Herbert Guan<herbert.guan at arm.com>
> ---