soc: qcom: dfc: Traffic control optimization

Optimized data structures to avoid frequent list lookup
and redundant flow control for dual IP calls. Supports
using skb mark for tx queue assignment.

Change-Id: I94d8ee6bf30778ad8e4eb0cfeacf7c18267d20da
Acked-by: Weiyi Chen <weiyic@qti.qualcomm.com>
Signed-off-by: Subash Abhinov Kasiviswanathan <subashab@codeaurora.org>