[qca-nss-drv] Fix node vs host channel stats for n2h

This change provides a clear distinction between the n2h node
statistics vs the n2h channel statistics. Moreover, this change
also splits control and data packet statistics for better
debugability.

Change-Id: I5b1f3e927266a2e03f31c6aae885ce2a79156ece
Signed-off-by: Sakthi Vignesh Radhakrishnan <sradhakr@codeaurora.org>
4 files changed