add extra MMS support from the device tree until LiquidSmooth updates
there support, hopefully this is the fix.

xda post:
http://forum.xda-developers.com/showpost.php?p=52206868&postcount=289

spn file taken from:
https://github.com/VanirAOSP/vendor_vanir/commit/a49511a64d784f0912e50cf35159804221a4b2dd