[PATCH net-next] hv_netvsc: add software transmit timestamp support

[David Miller]

From: Simon Xiao <sixiao at microsoft.com>
Date: Wed, 17 Feb 2016 16:43:59 -0800

> Enable skb_tx_timestamp in hyperv netvsc.
> 
> Signed-off-by: Simon Xiao <sixiao at microsoft.com>
> Reviewed-by: K. Y. Srinivasan <kys at microsoft.com>
> Reviewed-by: Haiyang Zhang <haiyangz at microsoft.com>

Applied.