net/bnxt: fix VNIC default completion ring
net/bnxt: fix VNIC default completion ring

Use the completion ring associated with the default Rx ring
when configuring the default completion ring ID instead
of the async completion ring ID.

Fixes: f8168ca0e690 ("net/bnxt: support thor controller")

Signed-off-by: Lance Richardson <4e26776f5588f0e1c0c16cd2ddc0e9efc79c5b3a@broadcom.com>
Reviewed-by: Ajit Khaparde <01965fbd61169dc18f3fb5e13de7f67d298f8924@broadcom.com>

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