[LTP] [PATCH v3] tcp_cmds/ping/ping02: Make it compatible with Busybox

[Petr Vorel]

Hi Kory, Alexey,

> -i option was added in busybox 1.30 (2 years old), it'd be good to note that in
> the commit message.
Actually, maybe also test -i option and if even -i not working run?

tst_brk TCONF "unsupported ping version (old busybox?)"

Kind regards,
Petr