doc: fix release notes for i40e
doc: fix release notes for i40e

Added support for API rte_eth_tx_done_cleanup.
Added support for VF multiple queues interrupt.
Added support for setting the link to specific speed.

Fixes: 6a8defc552b1 ("net/i40e: cleanup Tx buffers")
Fixes: 40163f9e1756 ("net/i40e: fix multi-queue Rx interrupt for VF")
Fixes: dc73db27bb61 ("net/i40e: set fixed flag for exact link speed")

Signed-off-by: Jiaqi Min <2f7a5ac4ebfaeb41e216ea73c8554e948dede266@intel.com>
Acked-by: Xiaolong Ye <c7d6fc2f7e22da80deb234d523238b510a8c0f08@intel.com>

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