Use nvgpu list APIs instead of linux list APIs
for reserved VA list and buffer VA list
Jira NVGPU-13
Change-Id: I83c02345d54bca03b00270563567227510cfce6b
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/1454013
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>