drm/amdgpu: enable BACO runpm by default on sienna cichlid and navy flounder

It works fine and was only disabled because primary GPUs
don't enter runpm if there is a console bound to the fbdev due
to the kmap.  This will at least allow runpm on secondary cards.
Reviewed-by: NEvan Quan <evan.quan@amd.com>
Reviewed-by: NRajneesh Bhardwaj <rajneesh.bhardwaj@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c

@@ -173,8 +173,6 @@ int amdgpu_driver_load_kms(struct amdgpu_device *adev, unsigned long flags)
 		switch (adev->asic_type) {
 		case CHIP_VEGA20:
 		case CHIP_ARCTURUS:
-		case CHIP_SIENNA_CICHLID:
-		case CHIP_NAVY_FLOUNDER:
 			/* enable runpm if runpm=1 */
 			if (amdgpu_runtime_pm > 0)
 				adev->runpm = true;