net/bnxt: add support for LSC interrupt event
net/bnxt: add support for LSC interrupt event

Add support to bnxt driver to register RTE_ETH_EVENT_INTR_LSC
event and monitor physical link status.

Signed-off-by: Qingmin Liu <049b53ba83a847b234f2143160cd174e5685b4da@broadcom.com>
Signed-off-by: Scott Branden <5a452465cfd3560e4237bdccbfde688383cee441@broadcom.com>
Signed-off-by: Ajit Khaparde <01965fbd61169dc18f3fb5e13de7f67d298f8924@broadcom.com>
Reviewed-by: Randy Schacher <37c9b6cda55ce30cb109e2efb2c40b6e98b0c567@broadcom.com>

john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk