bnxt_en: Remove 20G support and advertise only 40GbaseCR4.

20G is not supported by production hardware and only the 40GbaseCR4 standard
is supported.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Michael Chan 2016-02-10 17:33:48 -05:00 • committed by David S. Miller
commit 1c49c421f3