net: ethernet: qualcomm: rmnet: Track RSB/RSC byte counts

Allows calculation of the average buffer utilization for RSB/RSC packets.

Change-Id: Id719b97ceffc62b1b9ce28bfab8ec32c6604529c
Acked-by: Conner Huff <chuff@codeaurora.org>
Signed-off-by: Sean Tranchetti <stranche@codeaurora.org>

core/rmnet_vnd.c

@@ -231,6 +231,10 @@ static const char rmnet_gstrings_stats[][ETH_GSTRING_LEN] = {
 	"Coalescing packets over VEID1",
 	"Coalescing packets over VEID2",
 	"Coalescing packets over VEID3",
+	"Coalescing TCP frames",
+	"Coalescing TCP bytes",
+	"Coalescing UDP frames",
+	"Coalescing UDP bytes",
 	"Uplink priority packets",
 };