Added sceGxmSetVertex/FragmentDefaultUniformBuffer prototypes.
Added sceGxmSetVertex/FragmentDefaultUniformBuffer prototypes.

vitasdk/vita-headers,vitasdk/vita-headers,vitasdk/vita-headers,Rinnegatamante/vita-headers,Rinnegatamante/vita-headers,Rinnegatamante/vita-headers,Rinnegatamante/vita-headers,vitasdk/vita-headers