Kbuild

   1 nvkm-y += nvkm/subdev/timer/base.o
   2 nvkm-y += nvkm/subdev/timer/nv04.o
   3 nvkm-y += nvkm/subdev/timer/nv40.o
   4 nvkm-y += nvkm/subdev/timer/nv41.o
   5 nvkm-y += nvkm/subdev/timer/gk20a.o