igc_read_nvm_eerd
status = igc_read_nvm_eerd(hw, offset, count, data + i);
hw->nvm.ops.read = igc_read_nvm_eerd;
ret_val = igc_read_nvm_eerd(hw, 0, 1, &nvm_data);
ret_val = igc_read_nvm_eerd(hw, i, 1, &nvm_data);
nvm->ops.read = igc_read_nvm_eerd;
s32 igc_read_nvm_eerd(struct igc_hw *hw, u16 offset, u16 words, u16 *data);