net/cxgbe: grab available ports after firmware reset
net/cxgbe: grab available ports after firmware reset

Move code to get the available ports from the firmware after it had
been reset.  This ensures that driver uses the latest info on available
ports after firmware reset.

Signed-off-by: Rahul Lakkireddy <3a6b348815dc68871481a310c146a6b821ba8f72@chelsio.com>
Signed-off-by: Kumar Sanghvi <f6a160a15fd9abb18ae6fdc1d3a3ec4658ed0db6@chelsio.com>

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