drm/amdgpu/dce11: Fold set_cursor() into show_cursor()

Port of radeon commit:
8991668ab4

Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2015-10-07 23:20:45 -04:00
commit ec9353dca9