[LTP] [PATCH] lib/tst_kvercmp.c: Update tst_parse_kver() condition

[Petr Vorel]

Hi Egor,

> tst_parse_kver() fails with kernel names like current
> mainline kernel "5.15-rc7". Updated condition to fit
> this template.
Reviewed-by: Petr Vorel <pvorel@suse.cz>

Kind regards,
Petr