drm/amd/display: clean up some inconsistent indentings

drivers/gpu/drm/amd/amdgpu/../display/dc/dcn35/dcn35_hwseq.c:159 dcn35_init_hw() warn: inconsistent indentig

Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>