msm_rmnet.h: Add new ioctl to add any number of parameters of any size

This also includes new extended ingress-egress ioctls for configuring
system pipe.

Change-Id: I96f3d57037f32e1f904737439cacc8026f7cdb1f
Signed-off-by: Michael Adisumarta <madisuma@codeaurora.org>