MFH: r510009 r510045 r512276

graphics/drm-current-kmod: Update snapshot

Fix build on latest current.

graphics/drm-current-kmod: Update snapshot

Update snapshot with fixes for powerpc64 elfv, fixes when printing a sysctl
and fixes in anticipation of updates to current.

graphics/drm-current-kmod: Update snapshot

Update drm-current-snapshot. This has been reported to fix some issues on
recent current.

Approved by: ports-secteam (implicit, drm-drivers blanket)