drivers/net: fix port id size

drivers/net: fix port id size

The ethdev port id should be 16 bits now. This patch changes the
variable size of port id in some net drivers from 8 bits to 16
bits.

Fixes: 09b23f8b9df6 ("net/bnxt: fix port stop process and cleanup resources")
Fixes: 769de16872ab ("net/bnxt: fix port default rule create/destroy")
Fixes: 50370662b727 ("net/ice: support device and queue ops")
Fixes: a50d7cbbdad7 ("net/qede: support registers dump")
Cc: stable@dpdk.org
Signed-off-by: Chenbo Xia <chenbo.xia@intel.com>
Acked-by: Ajit Khaparde <ajit.khaparde@broadcom.com>
Reviewed-by: Ferruh Yigit <ferruh.yigit@intel.com>