video: tegra: nvmap: expose allocation flags in debugfs

video: tegra: nvmap: expose allocation flags in debugfs

Allocation flags provide useful information about how allocations
were created.

Expose allocation flags in allocation debugfs list.

bug 882345
bug 889003

Reviewed-on: http://git-master/r/61517
(cherry picked from commit 5100f1b09584f079a1547f65ac8b49b27df73292)
Signed-off-by: Kirill Artamonov <kartamonov@nvidia.com>
Change-Id: I2aed0150fe76791550daa1f37d1b5a238af50e1e
Reviewed-on: http://git-master/r/64939
Reviewed-by: Kirill Artamonov <kartamonov@nvidia.com>
Tested-by: Kirill Artamonov <kartamonov@nvidia.com>
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
Rebase-Id: R38ccb94a1d41207b1fe92d345e626963912b2379