[PATCH net] docs: networking: timestamping: improve stacked PHC sentence

[Richard Cochran]

On Mon, May 12, 2025 at 04:17:51PM +0300, Vladimir Oltean wrote:
> The first paragraph makes no grammatical sense. I suppose a portion of
> the intended sentece is missing: "[The challenge with ] stacked PHCs
> (...) is that they uncover bugs".
> 
> Rephrase, and at the same time simplify the structure of the sentence a
> little bit, it is not easy to follow.
> 
> Fixes: 94d9f78f4d64 ("docs: networking: timestamping: add section for stacked PHC devices")
> Signed-off-by: Vladimir Oltean <vladimir.oltean at nxp.com>

Acked-by: Richard Cochran <richardcochran at gmail.com>