drm/amd/display: fix documentation for dm_crtc_additional_color_mgmt()

warning: expecting prototype for drm_crtc_additional_color_mgmt().
Prototype was for dm_crtc_additional_color_mgmt() instead
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202312141801.o9eBCxt9-lkp@intel.com/Signed-off-by: Melissa Wen <mwen@igalia.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crtc.c

@@ -299,7 +299,7 @@ static int amdgpu_dm_crtc_late_register(struct drm_crtc *crtc)
 
 #ifdef AMD_PRIVATE_COLOR
 /**
- * drm_crtc_additional_color_mgmt - enable additional color properties
+ * dm_crtc_additional_color_mgmt - enable additional color properties
  * @crtc: DRM CRTC
  *
  * This function lets the driver enable post-blending CRTC regamma transfer