[LTP] [PATCH COMMITTED] syscalls/writev07: add note with known kernel fixes for this test

[Petr Vorel]

Hi Jan, Cyril,

> Hi!
> > + * This is also regression test for kernel commits:
> > + *   20c64ec83a9f ("iomap: fix a regression for partial write errors")
> > + *   3ac974796e5d ("iomap: fix short copy in iomap_write_iter()")

> Can you please add tags to the tst_test struct as well?

Done.

Kind regards,
Petr