RMNET over SMUX will support IP Traffic over HSUART. This is used in Fusion 4 target between Application processor and QSC modem. Change-Id: I50a8acf96dc85d10e574768dc21db672b6615924 Signed-off-by: Karthikeyan Ramasubramanian <kramasub@codeaurora.org> Signed-off-by: Eric Holmberg <eholmber@codeaurora.org>