drm/amd/display: clean up some inconsistent indenting

drm/amd/display: clean up some inconsistent indenting

No functional modification involved.

drivers/gpu/drm/amd/amdgpu/../display/dc/link/link_dpms.c:2476 link_set_dpms_on() warn: if statement not indented.

Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=6502
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Signed-off-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>