monarudo: initial import

* import boardfiles
* fixups to build
* clean up a bunch of unused code
* audio still busted

Change-Id: Id1009cbb9eea19fff1c556a93eb035020071d75e
msm: mdp: allow overriding of splash_screen_size

Change-Id: I7705c16e5ca1f147d3ca647d02af25136f32b0ab