[U-Boot] [v2] include/configs: ls1012a: add pfe stop command

[Priyanka Jain]

>-----Original Message-----
>From: Biwen Li <biwen.li at nxp.com>
>Sent: Thursday, November 14, 2019 10:15 AM
>To: Shengzhou Liu <shengzhou.liu at nxp.com>; Alison Wang
><alison.wang at nxp.com>; Jagdish Gediya <jagdish.gediya at nxp.com>; Rajesh
>Bhagat <rajesh.bhagat at nxp.com>; Priyanka Jain <priyanka.jain at nxp.com>
>Cc: Jiafei Pan <jiafei.pan at nxp.com>; Xiaobo Xie <xiaobo.xie at nxp.com>; u-
>boot at lists.denx.de; Biwen Li <biwen.li at nxp.com>
>Subject: [v2] include/configs: ls1012a: add pfe stop command
>
>This adds pfe stop command before enter linux kernel to fix a problem that
>ethernet won't be workable after enter linux
>
>Why need execute the command before enter linux kernel?
No need to add question. The description needs to be in passive voice.
Add something like. 'pfe stop' command is required because 
>- There is a h/w limitation in LS1012A PFE,  to
>  re-initialize PFE it has to be safe shutdown,
>  these steps are done through PFE stop.
>
>Signed-off-by: Biwen Li <biwen.li at nxp.com>
>---
>Changes in v2:
>	- trim subject
>	- add why
>
<snip>
-priyankajain