GP10B physical address width is 37 bits. Use old width for now,
and add gp10b specific definition. We can switch to new definition
once we've verified them.
Bug 1567274
Change-Id: I33cc1b99f14f1a7ee5f6fe3bd3d8b3126c23ecbe
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/601703