net/axgbe: support 1/2.5Gbps
net/axgbe: support 1/2.5Gbps

Added support for 1Gbps and 2.5Gbps in axgbe dpdk driver

Signed-off-by: Girish Nandibasappa <31632927bb8a9102451d99cc47af537ad3c4783f@amd.com>
Acked-by: Ravi Kumar <7c8fd72178bbc455c4d71b368203e2f07fe820c0@amd.com>

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