drm/radeon: Fix typo 'addr' -> 'entry' in rs400_gart_set_page

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=83996
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
1 file changed