net/mlx4: fix unhandled event debug message
net/mlx4: fix unhandled event debug message

When LSC or RMV events are received by the PMD but are not requested by the
application, a misleading debugging message implying the PMD does not
support them is shown.

Fixes: 6dd7b7056d7f ("net/mlx4: support device removal event")
Cc: stable@dpdk.org

Signed-off-by: Adrien Mazarguil <9d39ea493ca46c560334f650ac5d4b5ffbcb5cf0@6wind.com>

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