Import vzw defconfig

Change-Id: Iffd74deeb8636e0a894a004959ddff3e69ec630f
Add nuclear_defconfig

preliminary shot in the dark at device unification... probably need to take a look at other variants' defconfigs to include their drivers too.

presently, this SHOULD reflect sprint+verizon drivers

Change-Id: I987217c99bac49b3b054ee0df3d1b2647b8d9604