bnxt_en: Add additional chip ID definitions.

bnxt_en: Add additional chip ID definitions.

Orabug: 26402533, 26325599, 26366387

Add additional chip definitions and macros for all supported chips.
Add a new macro BNXT_CHIP_P4_PLUS for the newer generation of chips and
use the macro to properly determine the features supported by these
newer chips.

Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
(cherry picked from commit 3284f9e1ab505b41fa604c81e4b3271c6b88cdcb)
Signed-off-by: Brian Maly <brian.maly@oracle.com>
Signed-off-by: Somasundaram Krishnasamy <somasundaram.krishnasamy@oracle.com>