ixgbe: add reset count field to HW struct

DPDK commit message

net/ixgbe/base: add reset count field to HW struct
Add fw_rst_cnt to store the number of resets after fw update.
This value is required to detect if the EICR.MNG event occurred
after firmware update reset.

Signed-off-by: Radoslaw Tyl <radoslawx.tyl@intel.com>
Reviewed-by: Piotr Skajewski <piotrx.skajewski@intel.com>
Reviewed-by: Slawomir Mrozowicz <slawomirx.mrozowicz@intel.com>
Reviewed-by: Alice Michael <alice.michael@intel.com>

Obtained from: DPDK (9ab0e9c)
MFC after: 1 week