Part of moving the nvgpu driver out of the common kernel is moving the T18x
part of the nvgpu driver out of kernel-t18x. So, update the Makefile to
replect this change.
bug 200187033
Signed-off-by: Alex Van Brunt <avanbrunt@nvidia.com>
Change-Id: I97ab32b4c5f8971060b7bfa0aab362ba2fe2eb00
Reviewed-on: http://git-master/r/1119775